Home / 9,372,501.91-12,930,920.10-5,451,425.68

Finding the Fourth Proportional to 9,372,501.91, 12,930,920.10 and 5,451,425.68

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Solution

The fourth proportional to 9,372,501.91, 12,930,920.10 and 5,451,425.68 is: 7,521,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372,501.91 : 12,930,920.10 = 5,451,425.68 : x
  2. Step 2: Convert to fraction form
    9,372,501.91/12,930,920.10 = 5,451,425.68/x
  3. Step 3: Cross multiply
    9,372,501.91x = 12,930,920.10 × 5,451,425.68
  4. Step 4: Simplify right side
    9,372,501.91x = 70,491,949,899,168.16
  5. Step 5: Solve for x
    x = 70,491,949,899,168.16/9,372,501.91
  6. Step 6: Final answer
    x = 7,521,145.43

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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.