Home / 7,659,471.12-11,489,498.28-2,866,655.76

Finding the Fourth Proportional to 7,659,471.12, 11,489,498.28 and 2,866,655.76

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Solution

The fourth proportional to 7,659,471.12, 11,489,498.28 and 2,866,655.76 is: 4,300,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659,471.12 : 11,489,498.28 = 2,866,655.76 : x
  2. Step 2: Convert to fraction form
    7,659,471.12/11,489,498.28 = 2,866,655.76/x
  3. Step 3: Cross multiply
    7,659,471.12x = 11,489,498.28 × 2,866,655.76
  4. Step 4: Simplify right side
    7,659,471.12x = 32,936,436,423,872.09
  5. Step 5: Solve for x
    x = 32,936,436,423,872.09/7,659,471.12
  6. Step 6: Final answer
    x = 4,300,092.78

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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.