Home / 20,458,868.04-28,233,098.82-11,291,510.52

Finding the Fourth Proportional to 20,458,868.04, 28,233,098.82 and 11,291,510.52

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Solution

The fourth proportional to 20,458,868.04, 28,233,098.82 and 11,291,510.52 is: 15,582,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,868.04 : 28,233,098.82 = 11,291,510.52 : x
  2. Step 2: Convert to fraction form
    20,458,868.04/28,233,098.82 = 11,291,510.52/x
  3. Step 3: Cross multiply
    20,458,868.04x = 28,233,098.82 × 11,291,510.52
  4. Step 4: Simplify right side
    20,458,868.04x = 318,794,332,338,229.56
  5. Step 5: Solve for x
    x = 318,794,332,338,229.56/20,458,868.04
  6. Step 6: Final answer
    x = 15,582,207.76

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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.