Home / 31,536,143.20-47,304,214.80-28,134,920.80

Finding the Fourth Proportional to 31,536,143.20, 47,304,214.80 and 28,134,920.80

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Solution

The fourth proportional to 31,536,143.20, 47,304,214.80 and 28,134,920.80 is: 42,202,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,143.20 : 47,304,214.80 = 28,134,920.80 : x
  2. Step 2: Convert to fraction form
    31,536,143.20/47,304,214.80 = 28,134,920.80/x
  3. Step 3: Cross multiply
    31,536,143.20x = 47,304,214.80 × 28,134,920.80
  4. Step 4: Simplify right side
    31,536,143.20x = 1,330,900,336,904,187.75
  5. Step 5: Solve for x
    x = 1,330,900,336,904,187.75/31,536,143.20
  6. Step 6: Final answer
    x = 42,202,381.20

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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.