Home / 13,324,520.70-19,986,781.05-11,172,184.65

Finding the Fourth Proportional to 13,324,520.70, 19,986,781.05 and 11,172,184.65

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Solution

The fourth proportional to 13,324,520.70, 19,986,781.05 and 11,172,184.65 is: 16,758,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,520.70 : 19,986,781.05 = 11,172,184.65 : x
  2. Step 2: Convert to fraction form
    13,324,520.70/19,986,781.05 = 11,172,184.65/x
  3. Step 3: Cross multiply
    13,324,520.70x = 19,986,781.05 × 11,172,184.65
  4. Step 4: Simplify right side
    13,324,520.70x = 223,296,008,449,720.91
  5. Step 5: Solve for x
    x = 223,296,008,449,720.91/13,324,520.70
  6. Step 6: Final answer
    x = 16,758,276.98

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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.