Home / 7,979,587.82-11,971,062.99-2,587,817.82

Finding the Fourth Proportional to 7,979,587.82, 11,971,062.99 and 2,587,817.82

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Solution

The fourth proportional to 7,979,587.82, 11,971,062.99 and 2,587,817.82 is: 3,882,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,587.82 : 11,971,062.99 = 2,587,817.82 : x
  2. Step 2: Convert to fraction form
    7,979,587.82/11,971,062.99 = 2,587,817.82/x
  3. Step 3: Cross multiply
    7,979,587.82x = 11,971,062.99 × 2,587,817.82
  4. Step 4: Simplify right side
    7,979,587.82x = 30,978,930,159,792.14
  5. Step 5: Solve for x
    x = 30,978,930,159,792.14/7,979,587.82
  6. Step 6: Final answer
    x = 3,882,271.97

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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.