Home / 12,630,469.38-18,948,041.42-3,996,740.13

Finding the Fourth Proportional to 12,630,469.38, 18,948,041.42 and 3,996,740.13

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Solution

The fourth proportional to 12,630,469.38, 18,948,041.42 and 3,996,740.13 is: 5,995,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,469.38 : 18,948,041.42 = 3,996,740.13 : x
  2. Step 2: Convert to fraction form
    12,630,469.38/18,948,041.42 = 3,996,740.13/x
  3. Step 3: Cross multiply
    12,630,469.38x = 18,948,041.42 × 3,996,740.13
  4. Step 4: Simplify right side
    12,630,469.38x = 75,730,397,508,232.48
  5. Step 5: Solve for x
    x = 75,730,397,508,232.48/12,630,469.38
  6. Step 6: Final answer
    x = 5,995,849.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.