Home / 18,404,103.92-25,396,508.04-10,143,711.64

Finding the Fourth Proportional to 18,404,103.92, 25,396,508.04 and 10,143,711.64

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Solution

The fourth proportional to 18,404,103.92, 25,396,508.04 and 10,143,711.64 is: 13,997,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,103.92 : 25,396,508.04 = 10,143,711.64 : x
  2. Step 2: Convert to fraction form
    18,404,103.92/25,396,508.04 = 10,143,711.64/x
  3. Step 3: Cross multiply
    18,404,103.92x = 25,396,508.04 × 10,143,711.64
  4. Step 4: Simplify right side
    18,404,103.92x = 257,614,854,220,701.59
  5. Step 5: Solve for x
    x = 257,614,854,220,701.59/18,404,103.92
  6. Step 6: Final answer
    x = 13,997,685.26

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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.