Home / 12,687,591.92-17,508,832.68-6,886,373.64

Finding the Fourth Proportional to 12,687,591.92, 17,508,832.68 and 6,886,373.64

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Solution

The fourth proportional to 12,687,591.92, 17,508,832.68 and 6,886,373.64 is: 9,503,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,591.92 : 17,508,832.68 = 6,886,373.64 : x
  2. Step 2: Convert to fraction form
    12,687,591.92/17,508,832.68 = 6,886,373.64/x
  3. Step 3: Cross multiply
    12,687,591.92x = 17,508,832.68 × 6,886,373.64
  4. Step 4: Simplify right side
    12,687,591.92x = 120,572,363,834,722.55
  5. Step 5: Solve for x
    x = 120,572,363,834,722.55/12,687,591.92
  6. Step 6: Final answer
    x = 9,503,171.65

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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.