Home / 12,449,546.10-18,674,319.15-8,384,022.45

Finding the Fourth Proportional to 12,449,546.10, 18,674,319.15 and 8,384,022.45

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Solution

The fourth proportional to 12,449,546.10, 18,674,319.15 and 8,384,022.45 is: 12,576,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,546.10 : 18,674,319.15 = 8,384,022.45 : x
  2. Step 2: Convert to fraction form
    12,449,546.10/18,674,319.15 = 8,384,022.45/x
  3. Step 3: Cross multiply
    12,449,546.10x = 18,674,319.15 × 8,384,022.45
  4. Step 4: Simplify right side
    12,449,546.10x = 156,565,910,992,064.91
  5. Step 5: Solve for x
    x = 156,565,910,992,064.91/12,449,546.10
  6. Step 6: Final answer
    x = 12,576,033.68

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Similar ratio
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1.5x scale

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.