How to solve the equation that X / 9 divided by 4 equals 2 / y? X and y are my own assumptions The original formula is (9 parts divided by 4 = 2 parts)

How to solve the equation that X / 9 divided by 4 equals 2 / y? X and y are my own assumptions The original formula is (9 parts divided by 4 = 2 parts)

8 / 9 divided by 4 = 2 / 9
X / 9 divided by 4 equals 2 / y
x/9=8/y
xy=72