Finding the Fourth Proportional to 7,413,098.43, 10,229,997.69 and 4,149,939.99
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Solution
The fourth proportional to 7,413,098.43, 10,229,997.69 and 4,149,939.99 is: 5,726,873.44
Step by Step Solution
- Step 1: Write the proportion equation
7,413,098.43 : 10,229,997.69 = 4,149,939.99 : x - Step 2: Convert to fraction form
7,413,098.43/10,229,997.69 = 4,149,939.99/x - Step 3: Cross multiply
7,413,098.43x = 10,229,997.69 × 4,149,939.99 - Step 4: Simplify right side
7,413,098.43x = 42,453,876,511,338.62 - Step 5: Solve for x
x = 42,453,876,511,338.62/7,413,098.43 - Step 6: Final answer
x = 5,726,873.44
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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.