Finding the Fourth Proportional to 19,757,272.87, 29,635,742.85 and 15,442,952.05
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Solution
The fourth proportional to 19,757,272.87, 29,635,742.85 and 15,442,952.05 is: 23,164,297.97
Step by Step Solution
- Step 1: Write the proportion equation
19,757,272.87 : 29,635,742.85 = 15,442,952.05 : x - Step 2: Convert to fraction form
19,757,272.87/29,635,742.85 = 15,442,952.05/x - Step 3: Cross multiply
19,757,272.87x = 29,635,742.85 × 15,442,952.05 - Step 4: Simplify right side
19,757,272.87x = 457,663,355,798,680.38 - Step 5: Solve for x
x = 457,663,355,798,680.38/19,757,272.87 - Step 6: Final answer
x = 23,164,297.97
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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.