Home / 12,296,422.20-18,444,633.30-8,629,479.30

Finding the Fourth Proportional to 12,296,422.20, 18,444,633.30 and 8,629,479.30

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Solution

The fourth proportional to 12,296,422.20, 18,444,633.30 and 8,629,479.30 is: 12,944,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,422.20 : 18,444,633.30 = 8,629,479.30 : x
  2. Step 2: Convert to fraction form
    12,296,422.20/18,444,633.30 = 8,629,479.30/x
  3. Step 3: Cross multiply
    12,296,422.20x = 18,444,633.30 × 8,629,479.30
  4. Step 4: Simplify right side
    12,296,422.20x = 159,167,581,258,440.72
  5. Step 5: Solve for x
    x = 159,167,581,258,440.72/12,296,422.20
  6. Step 6: Final answer
    x = 12,944,218.95

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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.