Finding the Fourth Proportional to 21,790,159.64, 30,073,689.42 and 16,554,552.26
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Solution
The fourth proportional to 21,790,159.64, 30,073,689.42 and 16,554,552.26 is: 22,847,765.75
Step by Step Solution
- Step 1: Write the proportion equation
21,790,159.64 : 30,073,689.42 = 16,554,552.26 : x - Step 2: Convert to fraction form
21,790,159.64/30,073,689.42 = 16,554,552.26/x - Step 3: Cross multiply
21,790,159.64x = 30,073,689.42 × 16,554,552.26 - Step 4: Simplify right side
21,790,159.64x = 497,856,463,154,399.12 - Step 5: Solve for x
x = 497,856,463,154,399.12/21,790,159.64 - Step 6: Final answer
x = 22,847,765.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.