Finding the Fourth Proportional to 7,391,457.77, 11,085,262.09 and 3,129,432.17
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Solution
The fourth proportional to 7,391,457.77, 11,085,262.09 and 3,129,432.17 is: 4,693,333.42
Step by Step Solution
- Step 1: Write the proportion equation
7,391,457.77 : 11,085,262.09 = 3,129,432.17 : x - Step 2: Convert to fraction form
7,391,457.77/11,085,262.09 = 3,129,432.17/x - Step 3: Cross multiply
7,391,457.77x = 11,085,262.09 × 3,129,432.17 - Step 4: Simplify right side
7,391,457.77x = 34,690,575,734,077.55 - Step 5: Solve for x
x = 34,690,575,734,077.55/7,391,457.77 - Step 6: Final answer
x = 4,693,333.42
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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.