Home / 25,472,002.20-38,208,003.30-20,433,154.20

Finding the Fourth Proportional to 25,472,002.20, 38,208,003.30 and 20,433,154.20

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Solution

The fourth proportional to 25,472,002.20, 38,208,003.30 and 20,433,154.20 is: 30,649,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472,002.20 : 38,208,003.30 = 20,433,154.20 : x
  2. Step 2: Convert to fraction form
    25,472,002.20/38,208,003.30 = 20,433,154.20/x
  3. Step 3: Cross multiply
    25,472,002.20x = 38,208,003.30 × 20,433,154.20
  4. Step 4: Simplify right side
    25,472,002.20x = 780,710,023,103,008.75
  5. Step 5: Solve for x
    x = 780,710,023,103,008.75/25,472,002.20
  6. Step 6: Final answer
    x = 30,649,731.30

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Double scale
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Similar ratio
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1.5x scale

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.