Home / 12,199,960.80-18,287,172.77-4,110,140.88

Finding the Fourth Proportional to 12,199,960.80, 18,287,172.77 and 4,110,140.88

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Solution

The fourth proportional to 12,199,960.80, 18,287,172.77 and 4,110,140.88 is: 6,160,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,960.80 : 18,287,172.77 = 4,110,140.88 : x
  2. Step 2: Convert to fraction form
    12,199,960.80/18,287,172.77 = 4,110,140.88/x
  3. Step 3: Cross multiply
    12,199,960.80x = 18,287,172.77 × 4,110,140.88
  4. Step 4: Simplify right side
    12,199,960.80x = 75,162,856,361,049.14
  5. Step 5: Solve for x
    x = 75,162,856,361,049.14/12,199,960.80
  6. Step 6: Final answer
    x = 6,160,909.66

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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.