Finding the Fourth Proportional to 11,248,161.92, 15,522,381.24 and 6,091,403.84
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Solution
The fourth proportional to 11,248,161.92, 15,522,381.24 and 6,091,403.84 is: 8,406,092.78
Step by Step Solution
- Step 1: Write the proportion equation
11,248,161.92 : 15,522,381.24 = 6,091,403.84 : x - Step 2: Convert to fraction form
11,248,161.92/15,522,381.24 = 6,091,403.84/x - Step 3: Cross multiply
11,248,161.92x = 15,522,381.24 × 6,091,403.84 - Step 4: Simplify right side
11,248,161.92x = 94,553,092,691,279.95 - Step 5: Solve for x
x = 94,553,092,691,279.95/11,248,161.92 - Step 6: Final answer
x = 8,406,092.78
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1.5x scale
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.