Home / 7,992,540-11,985,654.16-3,199,335.84

Finding the Fourth Proportional to 7,992,540, 11,985,654.16 and 3,199,335.84

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Solution

The fourth proportional to 7,992,540, 11,985,654.16 and 3,199,335.84 is: 4,797,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,540 : 11,985,654.16 = 3,199,335.84 : x
  2. Step 2: Convert to fraction form
    7,992,540/11,985,654.16 = 3,199,335.84/x
  3. Step 3: Cross multiply
    7,992,540x = 11,985,654.16 × 3,199,335.84
  4. Step 4: Simplify right side
    7,992,540x = 38,346,132,919,933.09
  5. Step 5: Solve for x
    x = 38,346,132,919,933.09/7,992,540
  6. Step 6: Final answer
    x = 4,797,740.51

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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.