Home / 25,743,112.20-38,581,490.70-19,729,672.20

Finding the Fourth Proportional to 25,743,112.20, 38,581,490.70 and 19,729,672.20

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Solution

The fourth proportional to 25,743,112.20, 38,581,490.70 and 19,729,672.20 is: 29,569,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743,112.20 : 38,581,490.70 = 19,729,672.20 : x
  2. Step 2: Convert to fraction form
    25,743,112.20/38,581,490.70 = 19,729,672.20/x
  3. Step 3: Cross multiply
    25,743,112.20x = 38,581,490.70 × 19,729,672.20
  4. Step 4: Simplify right side
    25,743,112.20x = 761,200,164,498,348.62
  5. Step 5: Solve for x
    x = 761,200,164,498,348.62/25,743,112.20
  6. Step 6: Final answer
    x = 29,569,080.79

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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.