Home / 30,614,517.52-45,921,839.46-28,743,845.20

Finding the Fourth Proportional to 30,614,517.52, 45,921,839.46 and 28,743,845.20

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Solution

The fourth proportional to 30,614,517.52, 45,921,839.46 and 28,743,845.20 is: 43,115,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,517.52 : 45,921,839.46 = 28,743,845.20 : x
  2. Step 2: Convert to fraction form
    30,614,517.52/45,921,839.46 = 28,743,845.20/x
  3. Step 3: Cross multiply
    30,614,517.52x = 45,921,839.46 × 28,743,845.20
  4. Step 4: Simplify right side
    30,614,517.52x = 1,319,970,244,737,491.50
  5. Step 5: Solve for x
    x = 1,319,970,244,737,491.50/30,614,517.52
  6. Step 6: Final answer
    x = 43,115,827.12

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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.