Finding the Fourth Proportional to 11,001,867.20, 16,502,800.80 and 8,167,515.20
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Solution
The fourth proportional to 11,001,867.20, 16,502,800.80 and 8,167,515.20 is: 12,251,272.80
Step by Step Solution
- Step 1: Write the proportion equation
11,001,867.20 : 16,502,800.80 = 8,167,515.20 : x - Step 2: Convert to fraction form
11,001,867.20/16,502,800.80 = 8,167,515.20/x - Step 3: Cross multiply
11,001,867.20x = 16,502,800.80 × 8,167,515.20 - Step 4: Simplify right side
11,001,867.20x = 134,786,876,376,572.17 - Step 5: Solve for x
x = 134,786,876,376,572.17/11,001,867.20 - Step 6: Final answer
x = 12,251,272.80
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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.