Home / 15,172,406.40-22,758,609.60-13,418,651.10

Finding the Fourth Proportional to 15,172,406.40, 22,758,609.60 and 13,418,651.10

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Solution

The fourth proportional to 15,172,406.40, 22,758,609.60 and 13,418,651.10 is: 20,127,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,406.40 : 22,758,609.60 = 13,418,651.10 : x
  2. Step 2: Convert to fraction form
    15,172,406.40/22,758,609.60 = 13,418,651.10/x
  3. Step 3: Cross multiply
    15,172,406.40x = 22,758,609.60 × 13,418,651.10
  4. Step 4: Simplify right side
    15,172,406.40x = 305,389,841,743,510.56
  5. Step 5: Solve for x
    x = 305,389,841,743,510.56/15,172,406.40
  6. Step 6: Final answer
    x = 20,127,976.65

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Similar ratio
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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.