Home / 15,016,626.15-20,723,748.70-8,400,819.95

Finding the Fourth Proportional to 15,016,626.15, 20,723,748.70 and 8,400,819.95

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Solution

The fourth proportional to 15,016,626.15, 20,723,748.70 and 8,400,819.95 is: 11,593,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,626.15 : 20,723,748.70 = 8,400,819.95 : x
  2. Step 2: Convert to fraction form
    15,016,626.15/20,723,748.70 = 8,400,819.95/x
  3. Step 3: Cross multiply
    15,016,626.15x = 20,723,748.70 × 8,400,819.95
  4. Step 4: Simplify right side
    15,016,626.15x = 174,096,481,478,221.38
  5. Step 5: Solve for x
    x = 174,096,481,478,221.38/15,016,626.15
  6. Step 6: Final answer
    x = 11,593,581.65

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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.