Home / 12,191,900.92-18,275,049.67-4,102,067.98

Finding the Fourth Proportional to 12,191,900.92, 18,275,049.67 and 4,102,067.98

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Solution

The fourth proportional to 12,191,900.92, 18,275,049.67 and 4,102,067.98 is: 6,148,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,900.92 : 18,275,049.67 = 4,102,067.98 : x
  2. Step 2: Convert to fraction form
    12,191,900.92/18,275,049.67 = 4,102,067.98/x
  3. Step 3: Cross multiply
    12,191,900.92x = 18,275,049.67 × 4,102,067.98
  4. Step 4: Simplify right side
    12,191,900.92x = 74,965,496,084,216.58
  5. Step 5: Solve for x
    x = 74,965,496,084,216.58/12,191,900.92
  6. Step 6: Final answer
    x = 6,148,794.73

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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.