Home / 25,784,902.40-38,635,363.20-18,982,457.60

Finding the Fourth Proportional to 25,784,902.40, 38,635,363.20 and 18,982,457.60

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Solution

The fourth proportional to 25,784,902.40, 38,635,363.20 and 18,982,457.60 is: 28,442,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784,902.40 : 38,635,363.20 = 18,982,457.60 : x
  2. Step 2: Convert to fraction form
    25,784,902.40/38,635,363.20 = 18,982,457.60/x
  3. Step 3: Cross multiply
    25,784,902.40x = 38,635,363.20 × 18,982,457.60
  4. Step 4: Simplify right side
    25,784,902.40x = 733,394,143,804,600.38
  5. Step 5: Solve for x
    x = 733,394,143,804,600.38/25,784,902.40
  6. Step 6: Final answer
    x = 28,442,773.70

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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.