Home / 20,469,922.98-28,248,630.57-11,177,557.62

Finding the Fourth Proportional to 20,469,922.98, 28,248,630.57 and 11,177,557.62

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Solution

The fourth proportional to 20,469,922.98, 28,248,630.57 and 11,177,557.62 is: 15,425,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,922.98 : 28,248,630.57 = 11,177,557.62 : x
  2. Step 2: Convert to fraction form
    20,469,922.98/28,248,630.57 = 11,177,557.62/x
  3. Step 3: Cross multiply
    20,469,922.98x = 28,248,630.57 × 11,177,557.62
  4. Step 4: Simplify right side
    20,469,922.98x = 315,750,695,882,268.44
  5. Step 5: Solve for x
    x = 315,750,695,882,268.44/20,469,922.98
  6. Step 6: Final answer
    x = 15,425,104.25

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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.