Home / 18,153,002.88-25,051,147.92-9,893,067.12

Finding the Fourth Proportional to 18,153,002.88, 25,051,147.92 and 9,893,067.12

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Solution

The fourth proportional to 18,153,002.88, 25,051,147.92 and 9,893,067.12 is: 13,652,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,002.88 : 25,051,147.92 = 9,893,067.12 : x
  2. Step 2: Convert to fraction form
    18,153,002.88/25,051,147.92 = 9,893,067.12/x
  3. Step 3: Cross multiply
    18,153,002.88x = 25,051,147.92 × 9,893,067.12
  4. Step 4: Simplify right side
    18,153,002.88x = 247,832,687,805,608.38
  5. Step 5: Solve for x
    x = 247,832,687,805,608.38/18,153,002.88
  6. Step 6: Final answer
    x = 13,652,434.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.