Home / 18,143,987.27-25,038,691.39-9,995,225.27

Finding the Fourth Proportional to 18,143,987.27, 25,038,691.39 and 9,995,225.27

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Solution

The fourth proportional to 18,143,987.27, 25,038,691.39 and 9,995,225.27 is: 13,793,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,987.27 : 25,038,691.39 = 9,995,225.27 : x
  2. Step 2: Convert to fraction form
    18,143,987.27/25,038,691.39 = 9,995,225.27/x
  3. Step 3: Cross multiply
    18,143,987.27x = 25,038,691.39 × 9,995,225.27
  4. Step 4: Simplify right side
    18,143,987.27x = 250,267,360,758,877.91
  5. Step 5: Solve for x
    x = 250,267,360,758,877.91/18,143,987.27
  6. Step 6: Final answer
    x = 13,793,404.78

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1.5x scale

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.