Home / 8,815,972.20-13,204,029.26-5,228,745.45

Finding the Fourth Proportional to 8,815,972.20, 13,204,029.26 and 5,228,745.45

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Solution

The fourth proportional to 8,815,972.20, 13,204,029.26 and 5,228,745.45 is: 7,831,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,972.20 : 13,204,029.26 = 5,228,745.45 : x
  2. Step 2: Convert to fraction form
    8,815,972.20/13,204,029.26 = 5,228,745.45/x
  3. Step 3: Cross multiply
    8,815,972.20x = 13,204,029.26 × 5,228,745.45
  4. Step 4: Simplify right side
    8,815,972.20x = 69,040,507,914,891.87
  5. Step 5: Solve for x
    x = 69,040,507,914,891.87/8,815,972.20
  6. Step 6: Final answer
    x = 7,831,298.28

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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.