Home / 8,579,202.80-12,868,793.32-2,189,455.28

Finding the Fourth Proportional to 8,579,202.80, 12,868,793.32 and 2,189,455.28

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Solution

The fourth proportional to 8,579,202.80, 12,868,793.32 and 2,189,455.28 is: 3,284,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,202.80 : 12,868,793.32 = 2,189,455.28 : x
  2. Step 2: Convert to fraction form
    8,579,202.80/12,868,793.32 = 2,189,455.28/x
  3. Step 3: Cross multiply
    8,579,202.80x = 12,868,793.32 × 2,189,455.28
  4. Step 4: Simplify right side
    8,579,202.80x = 28,175,647,481,702.73
  5. Step 5: Solve for x
    x = 28,175,647,481,702.73/8,579,202.80
  6. Step 6: Final answer
    x = 3,284,180.14

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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.