Home / 12,253,073.40-18,383,546.70-8,214,121.80

Finding the Fourth Proportional to 12,253,073.40, 18,383,546.70 and 8,214,121.80

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Solution

The fourth proportional to 12,253,073.40, 18,383,546.70 and 8,214,121.80 is: 12,323,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,073.40 : 18,383,546.70 = 8,214,121.80 : x
  2. Step 2: Convert to fraction form
    12,253,073.40/18,383,546.70 = 8,214,121.80/x
  3. Step 3: Cross multiply
    12,253,073.40x = 18,383,546.70 × 8,214,121.80
  4. Step 4: Simplify right side
    12,253,073.40x = 151,004,691,709,788.06
  5. Step 5: Solve for x
    x = 151,004,691,709,788.06/12,253,073.40
  6. Step 6: Final answer
    x = 12,323,821.69

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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.