Home / 9,121,516.76-12,587,694.68-4,991,548.97

Finding the Fourth Proportional to 9,121,516.76, 12,587,694.68 and 4,991,548.97

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Solution

The fourth proportional to 9,121,516.76, 12,587,694.68 and 4,991,548.97 is: 6,888,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,516.76 : 12,587,694.68 = 4,991,548.97 : x
  2. Step 2: Convert to fraction form
    9,121,516.76/12,587,694.68 = 4,991,548.97/x
  3. Step 3: Cross multiply
    9,121,516.76x = 12,587,694.68 × 4,991,548.97
  4. Step 4: Simplify right side
    9,121,516.76x = 62,832,094,414,628.48
  5. Step 5: Solve for x
    x = 62,832,094,414,628.48/9,121,516.76
  6. Step 6: Final answer
    x = 6,888,338.43

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Double scale
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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.