Home / 7,979,587.76-11,971,062.89-2,587,817.76

Finding the Fourth Proportional to 7,979,587.76, 11,971,062.89 and 2,587,817.76

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Solution

The fourth proportional to 7,979,587.76, 11,971,062.89 and 2,587,817.76 is: 3,882,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,587.76 : 11,971,062.89 = 2,587,817.76 : x
  2. Step 2: Convert to fraction form
    7,979,587.76/11,971,062.89 = 2,587,817.76/x
  3. Step 3: Cross multiply
    7,979,587.76x = 11,971,062.89 × 2,587,817.76
  4. Step 4: Simplify right side
    7,979,587.76x = 30,978,929,186,586.37
  5. Step 5: Solve for x
    x = 30,978,929,186,586.37/7,979,587.76
  6. Step 6: Final answer
    x = 3,882,271.88

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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.