Home / 12,631,734.43-18,948,290.76-3,995,189.85

Finding the Fourth Proportional to 12,631,734.43, 18,948,290.76 and 3,995,189.85

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Solution

The fourth proportional to 12,631,734.43, 18,948,290.76 and 3,995,189.85 is: 5,993,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,734.43 : 18,948,290.76 = 3,995,189.85 : x
  2. Step 2: Convert to fraction form
    12,631,734.43/18,948,290.76 = 3,995,189.85/x
  3. Step 3: Cross multiply
    12,631,734.43x = 18,948,290.76 × 3,995,189.85
  4. Step 4: Simplify right side
    12,631,734.43x = 75,702,018,919,200.80
  5. Step 5: Solve for x
    x = 75,702,018,919,200.80/12,631,734.43
  6. Step 6: Final answer
    x = 5,993,002.73

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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.