Home / 20,669,531.14-28,523,726.61-11,376,902.53

Finding the Fourth Proportional to 20,669,531.14, 28,523,726.61 and 11,376,902.53

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Solution

The fourth proportional to 20,669,531.14, 28,523,726.61 and 11,376,902.53 is: 15,700,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,531.14 : 28,523,726.61 = 11,376,902.53 : x
  2. Step 2: Convert to fraction form
    20,669,531.14/28,523,726.61 = 11,376,902.53/x
  3. Step 3: Cross multiply
    20,669,531.14x = 28,523,726.61 × 11,376,902.53
  4. Step 4: Simplify right side
    20,669,531.14x = 324,511,657,427,328.56
  5. Step 5: Solve for x
    x = 324,511,657,427,328.56/20,669,531.14
  6. Step 6: Final answer
    x = 15,700,000.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.