Home / 20,743,785.08-28,625,673.40-11,451,155.66

Finding the Fourth Proportional to 20,743,785.08, 28,625,673.40 and 11,451,155.66

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Solution

The fourth proportional to 20,743,785.08, 28,625,673.40 and 11,451,155.66 is: 15,802,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,785.08 : 28,625,673.40 = 11,451,155.66 : x
  2. Step 2: Convert to fraction form
    20,743,785.08/28,625,673.40 = 11,451,155.66/x
  3. Step 3: Cross multiply
    20,743,785.08x = 28,625,673.40 × 11,451,155.66
  4. Step 4: Simplify right side
    20,743,785.08x = 327,797,041,975,721.44
  5. Step 5: Solve for x
    x = 327,797,041,975,721.44/20,743,785.08
  6. Step 6: Final answer
    x = 15,802,180.78

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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.