Home / 7,979,590.76-11,971,067.40-2,587,820.76

Finding the Fourth Proportional to 7,979,590.76, 11,971,067.40 and 2,587,820.76

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Solution

The fourth proportional to 7,979,590.76, 11,971,067.40 and 2,587,820.76 is: 3,882,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,590.76 : 11,971,067.40 = 2,587,820.76 : x
  2. Step 2: Convert to fraction form
    7,979,590.76/11,971,067.40 = 2,587,820.76/x
  3. Step 3: Cross multiply
    7,979,590.76x = 11,971,067.40 × 2,587,820.76
  4. Step 4: Simplify right side
    7,979,590.76x = 30,978,976,737,079.22
  5. Step 5: Solve for x
    x = 30,978,976,737,079.22/7,979,590.76
  6. Step 6: Final answer
    x = 3,882,276.38

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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.