Home / 28,489,737.40-42,734,606.10-25,653,052.60

Finding the Fourth Proportional to 28,489,737.40, 42,734,606.10 and 25,653,052.60

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Solution

The fourth proportional to 28,489,737.40, 42,734,606.10 and 25,653,052.60 is: 38,479,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,737.40 : 42,734,606.10 = 25,653,052.60 : x
  2. Step 2: Convert to fraction form
    28,489,737.40/42,734,606.10 = 25,653,052.60/x
  3. Step 3: Cross multiply
    28,489,737.40x = 42,734,606.10 × 25,653,052.60
  4. Step 4: Simplify right side
    28,489,737.40x = 1,096,273,098,123,581
  5. Step 5: Solve for x
    x = 1,096,273,098,123,581/28,489,737.40
  6. Step 6: Final answer
    x = 38,479,578.90

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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.