Home / 12,126,253.60-18,178,621.29-4,448,132.31

Finding the Fourth Proportional to 12,126,253.60, 18,178,621.29 and 4,448,132.31

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Solution

The fourth proportional to 12,126,253.60, 18,178,621.29 and 4,448,132.31 is: 6,668,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,253.60 : 18,178,621.29 = 4,448,132.31 : x
  2. Step 2: Convert to fraction form
    12,126,253.60/18,178,621.29 = 4,448,132.31/x
  3. Step 3: Cross multiply
    12,126,253.60x = 18,178,621.29 × 4,448,132.31
  4. Step 4: Simplify right side
    12,126,253.60x = 80,860,912,711,302.88
  5. Step 5: Solve for x
    x = 80,860,912,711,302.88/12,126,253.60
  6. Step 6: Final answer
    x = 6,668,251.83

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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.