Finding the Fourth Proportional to 38,263,184, 52,802,689.64 and 21,517,918.56
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Solution
The fourth proportional to 38,263,184, 52,802,689.64 and 21,517,918.56 is: 29,694,444.02
Step by Step Solution
- Step 1: Write the proportion equation
38,263,184 : 52,802,689.64 = 21,517,918.56 : x - Step 2: Convert to fraction form
38,263,184/52,802,689.64 = 21,517,918.56/x - Step 3: Cross multiply
38,263,184x = 52,802,689.64 × 21,517,918.56 - Step 4: Simplify right side
38,263,184x = 1,136,203,975,422,475.75 - Step 5: Solve for x
x = 1,136,203,975,422,475.75/38,263,184 - Step 6: Final answer
x = 29,694,444.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.