Home / 15,134,861.20-22,669,114.20-13,144,205.20

Finding the Fourth Proportional to 15,134,861.20, 22,669,114.20 and 13,144,205.20

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Solution

The fourth proportional to 15,134,861.20, 22,669,114.20 and 13,144,205.20 is: 19,687,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,861.20 : 22,669,114.20 = 13,144,205.20 : x
  2. Step 2: Convert to fraction form
    15,134,861.20/22,669,114.20 = 13,144,205.20/x
  3. Step 3: Cross multiply
    15,134,861.20x = 22,669,114.20 × 13,144,205.20
  4. Step 4: Simplify right side
    15,134,861.20x = 297,967,488,747,033.81
  5. Step 5: Solve for x
    x = 297,967,488,747,033.81/15,134,861.20
  6. Step 6: Final answer
    x = 19,687,493.98

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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.