Home / 12,591,622.20-18,887,433.30-3,493,702.20

Finding the Fourth Proportional to 12,591,622.20, 18,887,433.30 and 3,493,702.20

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Solution

The fourth proportional to 12,591,622.20, 18,887,433.30 and 3,493,702.20 is: 5,240,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,622.20 : 18,887,433.30 = 3,493,702.20 : x
  2. Step 2: Convert to fraction form
    12,591,622.20/18,887,433.30 = 3,493,702.20/x
  3. Step 3: Cross multiply
    12,591,622.20x = 18,887,433.30 × 3,493,702.20
  4. Step 4: Simplify right side
    12,591,622.20x = 65,987,067,272,563.27
  5. Step 5: Solve for x
    x = 65,987,067,272,563.27/12,591,622.20
  6. Step 6: Final answer
    x = 5,240,553.30

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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.