Home / 12,229,281.27-16,876,819.11-7,199,123.11

Finding the Fourth Proportional to 12,229,281.27, 16,876,819.11 and 7,199,123.11

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Solution

The fourth proportional to 12,229,281.27, 16,876,819.11 and 7,199,123.11 is: 9,935,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,281.27 : 16,876,819.11 = 7,199,123.11 : x
  2. Step 2: Convert to fraction form
    12,229,281.27/16,876,819.11 = 7,199,123.11/x
  3. Step 3: Cross multiply
    12,229,281.27x = 16,876,819.11 × 7,199,123.11
  4. Step 4: Simplify right side
    12,229,281.27x = 121,498,298,555,293.31
  5. Step 5: Solve for x
    x = 121,498,298,555,293.31/12,229,281.27
  6. Step 6: Final answer
    x = 9,935,031.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.