Home / 8,917,790-12,306,138.36-5,050,338.85

Finding the Fourth Proportional to 8,917,790, 12,306,138.36 and 5,050,338.85

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Solution

The fourth proportional to 8,917,790, 12,306,138.36 and 5,050,338.85 is: 6,969,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,790 : 12,306,138.36 = 5,050,338.85 : x
  2. Step 2: Convert to fraction form
    8,917,790/12,306,138.36 = 5,050,338.85/x
  3. Step 3: Cross multiply
    8,917,790x = 12,306,138.36 × 5,050,338.85
  4. Step 4: Simplify right side
    8,917,790x = 62,150,168,591,452.59
  5. Step 5: Solve for x
    x = 62,150,168,591,452.59/8,917,790
  6. Step 6: Final answer
    x = 6,969,234.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.