Home / 42,614,999.28-63,915,500.52-18,347,392.80

Finding the Fourth Proportional to 42,614,999.28, 63,915,500.52 and 18,347,392.80

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Solution

The fourth proportional to 42,614,999.28, 63,915,500.52 and 18,347,392.80 is: 27,518,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,614,999.28 : 63,915,500.52 = 18,347,392.80 : x
  2. Step 2: Convert to fraction form
    42,614,999.28/63,915,500.52 = 18,347,392.80/x
  3. Step 3: Cross multiply
    42,614,999.28x = 63,915,500.52 × 18,347,392.80
  4. Step 4: Simplify right side
    42,614,999.28x = 1,172,682,794,049,044.25
  5. Step 5: Solve for x
    x = 1,172,682,794,049,044.25/42,614,999.28
  6. Step 6: Final answer
    x = 27,518,076.12

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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.