Home / 31,536,120.20-47,304,180.30-28,134,897.80

Finding the Fourth Proportional to 31,536,120.20, 47,304,180.30 and 28,134,897.80

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Solution

The fourth proportional to 31,536,120.20, 47,304,180.30 and 28,134,897.80 is: 42,202,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,120.20 : 47,304,180.30 = 28,134,897.80 : x
  2. Step 2: Convert to fraction form
    31,536,120.20/47,304,180.30 = 28,134,897.80/x
  3. Step 3: Cross multiply
    31,536,120.20x = 47,304,180.30 × 28,134,897.80
  4. Step 4: Simplify right side
    31,536,120.20x = 1,330,898,278,253,273.25
  5. Step 5: Solve for x
    x = 1,330,898,278,253,273.25/31,536,120.20
  6. Step 6: Final answer
    x = 42,202,346.70

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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.