Finding the Fourth Proportional to 8,070,658.36, 12,109,553.16 and 4,231,562.92
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Solution
The fourth proportional to 8,070,658.36, 12,109,553.16 and 4,231,562.92 is: 6,349,213.89
Step by Step Solution
- Step 1: Write the proportion equation
8,070,658.36 : 12,109,553.16 = 4,231,562.92 : x - Step 2: Convert to fraction form
8,070,658.36/12,109,553.16 = 4,231,562.92/x - Step 3: Cross multiply
8,070,658.36x = 12,109,553.16 × 4,231,562.92 - Step 4: Simplify right side
8,070,658.36x = 51,242,336,129,624.83 - Step 5: Solve for x
x = 51,242,336,129,624.83/8,070,658.36 - Step 6: Final answer
x = 6,349,213.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.