Finding the Fourth Proportional to 11,332,645.12, 15,638,593.89 and 6,175,895.95
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Solution
The fourth proportional to 11,332,645.12, 15,638,593.89 and 6,175,895.95 is: 8,522,487.70
Step by Step Solution
- Step 1: Write the proportion equation
11,332,645.12 : 15,638,593.89 = 6,175,895.95 : x - Step 2: Convert to fraction form
11,332,645.12/15,638,593.89 = 6,175,895.95/x - Step 3: Cross multiply
11,332,645.12x = 15,638,593.89 × 6,175,895.95 - Step 4: Simplify right side
11,332,645.12x = 96,582,328,668,945.75 - Step 5: Solve for x
x = 96,582,328,668,945.75/11,332,645.12 - Step 6: Final answer
x = 8,522,487.70
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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.