Home / 31,536,138.20-47,304,207.30-28,134,915.80

Finding the Fourth Proportional to 31,536,138.20, 47,304,207.30 and 28,134,915.80

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Solution

The fourth proportional to 31,536,138.20, 47,304,207.30 and 28,134,915.80 is: 42,202,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,138.20 : 47,304,207.30 = 28,134,915.80 : x
  2. Step 2: Convert to fraction form
    31,536,138.20/47,304,207.30 = 28,134,915.80/x
  3. Step 3: Cross multiply
    31,536,138.20x = 47,304,207.30 × 28,134,915.80
  4. Step 4: Simplify right side
    31,536,138.20x = 1,330,899,889,371,245.25
  5. Step 5: Solve for x
    x = 1,330,899,889,371,245.25/31,536,138.20
  6. Step 6: Final answer
    x = 42,202,373.70

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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.