Finding the Fourth Proportional to 19,451,398.08, 29,151,014.58 and 15,138,655.68
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Solution
The fourth proportional to 19,451,398.08, 29,151,014.58 and 15,138,655.68 is: 22,687,683.97
Step by Step Solution
- Step 1: Write the proportion equation
19,451,398.08 : 29,151,014.58 = 15,138,655.68 : x - Step 2: Convert to fraction form
19,451,398.08/29,151,014.58 = 15,138,655.68/x - Step 3: Cross multiply
19,451,398.08x = 29,151,014.58 × 15,138,655.68 - Step 4: Simplify right side
19,451,398.08x = 441,307,172,449,279.75 - Step 5: Solve for x
x = 441,307,172,449,279.75/19,451,398.08 - Step 6: Final answer
x = 22,687,683.97
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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.