Home / 8,882,380.20-13,305,855.60-5,091,434.40

Finding the Fourth Proportional to 8,882,380.20, 13,305,855.60 and 5,091,434.40

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Solution

The fourth proportional to 8,882,380.20, 13,305,855.60 and 5,091,434.40 is: 7,626,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882,380.20 : 13,305,855.60 = 5,091,434.40 : x
  2. Step 2: Convert to fraction form
    8,882,380.20/13,305,855.60 = 5,091,434.40/x
  3. Step 3: Cross multiply
    8,882,380.20x = 13,305,855.60 × 5,091,434.40
  4. Step 4: Simplify right side
    8,882,380.20x = 67,745,890,923,272.64
  5. Step 5: Solve for x
    x = 67,745,890,923,272.64/8,882,380.20
  6. Step 6: Final answer
    x = 7,626,997.43

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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.