Home / 17,253,139.20-25,857,729.45-9,169,987.20

Finding the Fourth Proportional to 17,253,139.20, 25,857,729.45 and 9,169,987.20

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Solution

The fourth proportional to 17,253,139.20, 25,857,729.45 and 9,169,987.20 is: 13,743,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253,139.20 : 25,857,729.45 = 9,169,987.20 : x
  2. Step 2: Convert to fraction form
    17,253,139.20/25,857,729.45 = 9,169,987.20/x
  3. Step 3: Cross multiply
    17,253,139.20x = 25,857,729.45 × 9,169,987.20
  4. Step 4: Simplify right side
    17,253,139.20x = 237,115,048,077,563
  5. Step 5: Solve for x
    x = 237,115,048,077,563/17,253,139.20
  6. Step 6: Final answer
    x = 13,743,298.85

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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.