Home / 28,199,227.86-42,291,974.07-11,795,645.70

Finding the Fourth Proportional to 28,199,227.86, 42,291,974.07 and 11,795,645.70

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Solution

The fourth proportional to 28,199,227.86, 42,291,974.07 and 11,795,645.70 is: 17,690,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199,227.86 : 42,291,974.07 = 11,795,645.70 : x
  2. Step 2: Convert to fraction form
    28,199,227.86/42,291,974.07 = 11,795,645.70/x
  3. Step 3: Cross multiply
    28,199,227.86x = 42,291,974.07 × 11,795,645.70
  4. Step 4: Simplify right side
    28,199,227.86x = 498,861,142,083,307
  5. Step 5: Solve for x
    x = 498,861,142,083,307/28,199,227.86
  6. Step 6: Final answer
    x = 17,690,595.80

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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.