Home / 12,383,453.80-18,559,434.30-5,979,917.80

Finding the Fourth Proportional to 12,383,453.80, 18,559,434.30 and 5,979,917.80

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Solution

The fourth proportional to 12,383,453.80, 18,559,434.30 and 5,979,917.80 is: 8,962,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,453.80 : 18,559,434.30 = 5,979,917.80 : x
  2. Step 2: Convert to fraction form
    12,383,453.80/18,559,434.30 = 5,979,917.80/x
  3. Step 3: Cross multiply
    12,383,453.80x = 18,559,434.30 × 5,979,917.80
  4. Step 4: Simplify right side
    12,383,453.80x = 110,983,891,528,500.55
  5. Step 5: Solve for x
    x = 110,983,891,528,500.55/12,383,453.80
  6. Step 6: Final answer
    x = 8,962,272.83

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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.