Home / 9,121,514.76-12,587,691.92-4,991,546.97

Finding the Fourth Proportional to 9,121,514.76, 12,587,691.92 and 4,991,546.97

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Solution

The fourth proportional to 9,121,514.76, 12,587,691.92 and 4,991,546.97 is: 6,888,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,514.76 : 12,587,691.92 = 4,991,546.97 : x
  2. Step 2: Convert to fraction form
    9,121,514.76/12,587,691.92 = 4,991,546.97/x
  3. Step 3: Cross multiply
    9,121,514.76x = 12,587,691.92 × 4,991,546.97
  4. Step 4: Simplify right side
    9,121,514.76x = 62,832,055,437,611.74
  5. Step 5: Solve for x
    x = 62,832,055,437,611.74/9,121,514.76
  6. Step 6: Final answer
    x = 6,888,335.66

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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.