Home / 20,588,928.52-28,416,127.50-11,424,523.72

Finding the Fourth Proportional to 20,588,928.52, 28,416,127.50 and 11,424,523.72

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Solution

The fourth proportional to 20,588,928.52, 28,416,127.50 and 11,424,523.72 is: 15,767,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,928.52 : 28,416,127.50 = 11,424,523.72 : x
  2. Step 2: Convert to fraction form
    20,588,928.52/28,416,127.50 = 11,424,523.72/x
  3. Step 3: Cross multiply
    20,588,928.52x = 28,416,127.50 × 11,424,523.72
  4. Step 4: Simplify right side
    20,588,928.52x = 324,640,722,654,294.31
  5. Step 5: Solve for x
    x = 324,640,722,654,294.31/20,588,928.52
  6. Step 6: Final answer
    x = 15,767,732.76

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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.