Home / 7,979,588.60-11,971,064.16-2,587,818.61

Finding the Fourth Proportional to 7,979,588.60, 11,971,064.16 and 2,587,818.61

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Solution

The fourth proportional to 7,979,588.60, 11,971,064.16 and 2,587,818.61 is: 3,882,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,588.60 : 11,971,064.16 = 2,587,818.61 : x
  2. Step 2: Convert to fraction form
    7,979,588.60/11,971,064.16 = 2,587,818.61/x
  3. Step 3: Cross multiply
    7,979,588.60x = 11,971,064.16 × 2,587,818.61
  4. Step 4: Simplify right side
    7,979,588.60x = 30,978,942,569,655.55
  5. Step 5: Solve for x
    x = 30,978,942,569,655.55/7,979,588.60
  6. Step 6: Final answer
    x = 3,882,273.15

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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.