Home / 12,213,753.85-18,324,176.61-4,923,451.29

Finding the Fourth Proportional to 12,213,753.85, 18,324,176.61 and 4,923,451.29

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Solution

The fourth proportional to 12,213,753.85, 18,324,176.61 and 4,923,451.29 is: 7,386,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213,753.85 : 18,324,176.61 = 4,923,451.29 : x
  2. Step 2: Convert to fraction form
    12,213,753.85/18,324,176.61 = 4,923,451.29/x
  3. Step 3: Cross multiply
    12,213,753.85x = 18,324,176.61 × 4,923,451.29
  4. Step 4: Simplify right side
    12,213,753.85x = 90,218,190,968,692.33
  5. Step 5: Solve for x
    x = 90,218,190,968,692.33/12,213,753.85
  6. Step 6: Final answer
    x = 7,386,606.29

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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.