Home / 25,859,903.60-38,764,972.20-20,099,442.80

Finding the Fourth Proportional to 25,859,903.60, 38,764,972.20 and 20,099,442.80

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Solution

The fourth proportional to 25,859,903.60, 38,764,972.20 and 20,099,442.80 is: 30,129,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859,903.60 : 38,764,972.20 = 20,099,442.80 : x
  2. Step 2: Convert to fraction form
    25,859,903.60/38,764,972.20 = 20,099,442.80/x
  3. Step 3: Cross multiply
    25,859,903.60x = 38,764,972.20 × 20,099,442.80
  4. Step 4: Simplify right side
    25,859,903.60x = 779,154,341,377,490.25
  5. Step 5: Solve for x
    x = 779,154,341,377,490.25/25,859,903.60
  6. Step 6: Final answer
    x = 30,129,823.89

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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.