Home / 25,925,937.60-38,864,023.20-20,165,476.80

Finding the Fourth Proportional to 25,925,937.60, 38,864,023.20 and 20,165,476.80

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Solution

The fourth proportional to 25,925,937.60, 38,864,023.20 and 20,165,476.80 is: 30,228,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925,937.60 : 38,864,023.20 = 20,165,476.80 : x
  2. Step 2: Convert to fraction form
    25,925,937.60/38,864,023.20 = 20,165,476.80/x
  3. Step 3: Cross multiply
    25,925,937.60x = 38,864,023.20 × 20,165,476.80
  4. Step 4: Simplify right side
    25,925,937.60x = 783,711,558,194,261.88
  5. Step 5: Solve for x
    x = 783,711,558,194,261.88/25,925,937.60
  6. Step 6: Final answer
    x = 30,228,860.78

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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.