Home / 12,016,627.20-18,027,776.16-3,929,571.41

Finding the Fourth Proportional to 12,016,627.20, 18,027,776.16 and 3,929,571.41

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Solution

The fourth proportional to 12,016,627.20, 18,027,776.16 and 3,929,571.41 is: 5,895,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,627.20 : 18,027,776.16 = 3,929,571.41 : x
  2. Step 2: Convert to fraction form
    12,016,627.20/18,027,776.16 = 3,929,571.41/x
  3. Step 3: Cross multiply
    12,016,627.20x = 18,027,776.16 × 3,929,571.41
  4. Step 4: Simplify right side
    12,016,627.20x = 70,841,433,694,076.70
  5. Step 5: Solve for x
    x = 70,841,433,694,076.70/12,016,627.20
  6. Step 6: Final answer
    x = 5,895,284.30

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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.