Home / 8,917,087.20-12,305,579.82-5,050,355.76

Finding the Fourth Proportional to 8,917,087.20, 12,305,579.82 and 5,050,355.76

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Solution

The fourth proportional to 8,917,087.20, 12,305,579.82 and 5,050,355.76 is: 6,969,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,087.20 : 12,305,579.82 = 5,050,355.76 : x
  2. Step 2: Convert to fraction form
    8,917,087.20/12,305,579.82 = 5,050,355.76/x
  3. Step 3: Cross multiply
    8,917,087.20x = 12,305,579.82 × 5,050,355.76
  4. Step 4: Simplify right side
    8,917,087.20x = 62,147,555,924,076.77
  5. Step 5: Solve for x
    x = 62,147,555,924,076.77/8,917,087.20
  6. Step 6: Final answer
    x = 6,969,490.66

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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.