Home / 12,067,964.80-18,101,947.20-9,380,579.20

Finding the Fourth Proportional to 12,067,964.80, 18,101,947.20 and 9,380,579.20

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Solution

The fourth proportional to 12,067,964.80, 18,101,947.20 and 9,380,579.20 is: 14,070,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,964.80 : 18,101,947.20 = 9,380,579.20 : x
  2. Step 2: Convert to fraction form
    12,067,964.80/18,101,947.20 = 9,380,579.20/x
  3. Step 3: Cross multiply
    12,067,964.80x = 18,101,947.20 × 9,380,579.20
  4. Step 4: Simplify right side
    12,067,964.80x = 169,806,749,383,818.22
  5. Step 5: Solve for x
    x = 169,806,749,383,818.22/12,067,964.80
  6. Step 6: Final answer
    x = 14,070,868.80

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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.