Home / 8,512,205.76-12,768,173.17-3,960,708.84

Finding the Fourth Proportional to 8,512,205.76, 12,768,173.17 and 3,960,708.84

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Solution

The fourth proportional to 8,512,205.76, 12,768,173.17 and 3,960,708.84 is: 5,941,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,205.76 : 12,768,173.17 = 3,960,708.84 : x
  2. Step 2: Convert to fraction form
    8,512,205.76/12,768,173.17 = 3,960,708.84/x
  3. Step 3: Cross multiply
    8,512,205.76x = 12,768,173.17 × 3,960,708.84
  4. Step 4: Simplify right side
    8,512,205.76x = 50,571,016,335,168.05
  5. Step 5: Solve for x
    x = 50,571,016,335,168.05/8,512,205.76
  6. Step 6: Final answer
    x = 5,941,000.22

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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.