Home / 20,743,854.66-28,625,768.76-11,451,225.15

Finding the Fourth Proportional to 20,743,854.66, 28,625,768.76 and 11,451,225.15

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Solution

The fourth proportional to 20,743,854.66, 28,625,768.76 and 11,451,225.15 is: 15,802,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,854.66 : 28,625,768.76 = 11,451,225.15 : x
  2. Step 2: Convert to fraction form
    20,743,854.66/28,625,768.76 = 11,451,225.15/x
  3. Step 3: Cross multiply
    20,743,854.66x = 28,625,768.76 × 11,451,225.15
  4. Step 4: Simplify right side
    20,743,854.66x = 327,800,123,162,596.31
  5. Step 5: Solve for x
    x = 327,800,123,162,596.31/20,743,854.66
  6. Step 6: Final answer
    x = 15,802,276.31

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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.