Home / 38,942,406.50-58,401,186.87-13,377,251.30

Finding the Fourth Proportional to 38,942,406.50, 58,401,186.87 and 13,377,251.30

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Solution

The fourth proportional to 38,942,406.50, 58,401,186.87 and 13,377,251.30 is: 20,061,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942,406.50 : 58,401,186.87 = 13,377,251.30 : x
  2. Step 2: Convert to fraction form
    38,942,406.50/58,401,186.87 = 13,377,251.30/x
  3. Step 3: Cross multiply
    38,942,406.50x = 58,401,186.87 × 13,377,251.30
  4. Step 4: Simplify right side
    38,942,406.50x = 781,247,352,978,250.50
  5. Step 5: Solve for x
    x = 781,247,352,978,250.50/38,942,406.50
  6. Step 6: Final answer
    x = 20,061,609.52

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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.