Home / 12,448,216.60-18,672,324.90-8,382,692.95

Finding the Fourth Proportional to 12,448,216.60, 18,672,324.90 and 8,382,692.95

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Solution

The fourth proportional to 12,448,216.60, 18,672,324.90 and 8,382,692.95 is: 12,574,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,216.60 : 18,672,324.90 = 8,382,692.95 : x
  2. Step 2: Convert to fraction form
    12,448,216.60/18,672,324.90 = 8,382,692.95/x
  3. Step 3: Cross multiply
    12,448,216.60x = 18,672,324.90 × 8,382,692.95
  4. Step 4: Simplify right side
    12,448,216.60x = 156,524,366,299,339.44
  5. Step 5: Solve for x
    x = 156,524,366,299,339.44/12,448,216.60
  6. Step 6: Final answer
    x = 12,574,039.43

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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.