Home / 27,625,794.50-38,126,290.20-20,644,349.15

Finding the Fourth Proportional to 27,625,794.50, 38,126,290.20 and 20,644,349.15

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Solution

The fourth proportional to 27,625,794.50, 38,126,290.20 and 20,644,349.15 is: 28,491,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625,794.50 : 38,126,290.20 = 20,644,349.15 : x
  2. Step 2: Convert to fraction form
    27,625,794.50/38,126,290.20 = 20,644,349.15/x
  3. Step 3: Cross multiply
    27,625,794.50x = 38,126,290.20 × 20,644,349.15
  4. Step 4: Simplify right side
    27,625,794.50x = 787,092,446,683,023.38
  5. Step 5: Solve for x
    x = 787,092,446,683,023.38/27,625,794.50
  6. Step 6: Final answer
    x = 28,491,214.86

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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.