Home / 8,388,317.20-12,591,936.60-5,553,965.20

Finding the Fourth Proportional to 8,388,317.20, 12,591,936.60 and 5,553,965.20

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Solution

The fourth proportional to 8,388,317.20, 12,591,936.60 and 5,553,965.20 is: 8,337,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,317.20 : 12,591,936.60 = 5,553,965.20 : x
  2. Step 2: Convert to fraction form
    8,388,317.20/12,591,936.60 = 5,553,965.20/x
  3. Step 3: Cross multiply
    8,388,317.20x = 12,591,936.60 × 5,553,965.20
  4. Step 4: Simplify right side
    8,388,317.20x = 69,935,177,677,006.32
  5. Step 5: Solve for x
    x = 69,935,177,677,006.32/8,388,317.20
  6. Step 6: Final answer
    x = 8,337,211.86

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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.