Home / 25,652,217.56-38,478,575.45-20,521,902.39

Finding the Fourth Proportional to 25,652,217.56, 38,478,575.45 and 20,521,902.39

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Solution

The fourth proportional to 25,652,217.56, 38,478,575.45 and 20,521,902.39 is: 30,783,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652,217.56 : 38,478,575.45 = 20,521,902.39 : x
  2. Step 2: Convert to fraction form
    25,652,217.56/38,478,575.45 = 20,521,902.39/x
  3. Step 3: Cross multiply
    25,652,217.56x = 38,478,575.45 × 20,521,902.39
  4. Step 4: Simplify right side
    25,652,217.56x = 789,653,569,398,160.50
  5. Step 5: Solve for x
    x = 789,653,569,398,160.50/25,652,217.56
  6. Step 6: Final answer
    x = 30,783,052.87

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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.