Finding the Fourth Proportional to 49,442,847.92, 68,226,213.96 and 28,541,614.20
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Solution
The fourth proportional to 49,442,847.92, 68,226,213.96 and 28,541,614.20 is: 39,384,589.66
Step by Step Solution
- Step 1: Write the proportion equation
49,442,847.92 : 68,226,213.96 = 28,541,614.20 : x - Step 2: Convert to fraction form
49,442,847.92/68,226,213.96 = 28,541,614.20/x - Step 3: Cross multiply
49,442,847.92x = 68,226,213.96 × 28,541,614.20 - Step 4: Simplify right side
49,442,847.92x = 1,947,286,277,172,974 - Step 5: Solve for x
x = 1,947,286,277,172,974/49,442,847.92 - Step 6: Final answer
x = 39,384,589.66
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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.