Home / 8,271,319.40-12,406,983.60-2,591,988.20

Finding the Fourth Proportional to 8,271,319.40, 12,406,983.60 and 2,591,988.20

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Solution

The fourth proportional to 8,271,319.40, 12,406,983.60 and 2,591,988.20 is: 3,887,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,319.40 : 12,406,983.60 = 2,591,988.20 : x
  2. Step 2: Convert to fraction form
    8,271,319.40/12,406,983.60 = 2,591,988.20/x
  3. Step 3: Cross multiply
    8,271,319.40x = 12,406,983.60 × 2,591,988.20
  4. Step 4: Simplify right side
    8,271,319.40x = 32,158,755,088,793.52
  5. Step 5: Solve for x
    x = 32,158,755,088,793.52/8,271,319.40
  6. Step 6: Final answer
    x = 3,887,983.71

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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.