Home / 29,251,141.20-43,876,711.80-20,748,085.20

Finding the Fourth Proportional to 29,251,141.20, 43,876,711.80 and 20,748,085.20

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Solution

The fourth proportional to 29,251,141.20, 43,876,711.80 and 20,748,085.20 is: 31,122,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251,141.20 : 43,876,711.80 = 20,748,085.20 : x
  2. Step 2: Convert to fraction form
    29,251,141.20/43,876,711.80 = 20,748,085.20/x
  3. Step 3: Cross multiply
    29,251,141.20x = 43,876,711.80 × 20,748,085.20
  4. Step 4: Simplify right side
    29,251,141.20x = 910,357,754,722,245.25
  5. Step 5: Solve for x
    x = 910,357,754,722,245.25/29,251,141.20
  6. Step 6: Final answer
    x = 31,122,127.80

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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.