Home / 20,743,729.67-28,626,805.19-11,451,277.73

Finding the Fourth Proportional to 20,743,729.67, 28,626,805.19 and 11,451,277.73

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Solution

The fourth proportional to 20,743,729.67, 28,626,805.19 and 11,451,277.73 is: 15,803,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,729.67 : 28,626,805.19 = 11,451,277.73 : x
  2. Step 2: Convert to fraction form
    20,743,729.67/28,626,805.19 = 11,451,277.73/x
  3. Step 3: Cross multiply
    20,743,729.67x = 28,626,805.19 × 11,451,277.73
  4. Step 4: Simplify right side
    20,743,729.67x = 327,813,496,753,295.44
  5. Step 5: Solve for x
    x = 327,813,496,753,295.44/20,743,729.67
  6. Step 6: Final answer
    x = 15,803,016.24

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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.