Finding the Fourth Proportional to 40,791,516.29, 61,169,319.15 and 21,617,781.11
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Solution
The fourth proportional to 40,791,516.29, 61,169,319.15 and 21,617,781.11 is: 32,417,156.12
Step by Step Solution
- Step 1: Write the proportion equation
40,791,516.29 : 61,169,319.15 = 21,617,781.11 : x - Step 2: Convert to fraction form
40,791,516.29/61,169,319.15 = 21,617,781.11/x - Step 3: Cross multiply
40,791,516.29x = 61,169,319.15 × 21,617,781.11 - Step 4: Simplify right side
40,791,516.29x = 1,322,344,952,032,431.25 - Step 5: Solve for x
x = 1,322,344,952,032,431.25/40,791,516.29 - Step 6: Final answer
x = 32,417,156.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.