Home / 22,800,923.28-31,467,357.90-12,489,130.80

Finding the Fourth Proportional to 22,800,923.28, 31,467,357.90 and 12,489,130.80

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Solution

The fourth proportional to 22,800,923.28, 31,467,357.90 and 12,489,130.80 is: 17,236,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800,923.28 : 31,467,357.90 = 12,489,130.80 : x
  2. Step 2: Convert to fraction form
    22,800,923.28/31,467,357.90 = 12,489,130.80/x
  3. Step 3: Cross multiply
    22,800,923.28x = 31,467,357.90 × 12,489,130.80
  4. Step 4: Simplify right side
    22,800,923.28x = 392,999,948,743,513.31
  5. Step 5: Solve for x
    x = 392,999,948,743,513.31/22,800,923.28
  6. Step 6: Final answer
    x = 17,236,141.88

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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.