Home / 8,882,367.20-13,305,836.10-5,091,421.40

Finding the Fourth Proportional to 8,882,367.20, 13,305,836.10 and 5,091,421.40

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Solution

The fourth proportional to 8,882,367.20, 13,305,836.10 and 5,091,421.40 is: 7,626,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882,367.20 : 13,305,836.10 = 5,091,421.40 : x
  2. Step 2: Convert to fraction form
    8,882,367.20/13,305,836.10 = 5,091,421.40/x
  3. Step 3: Cross multiply
    8,882,367.20x = 13,305,836.10 × 5,091,421.40
  4. Step 4: Simplify right side
    8,882,367.20x = 67,745,618,664,432.55
  5. Step 5: Solve for x
    x = 67,745,618,664,432.55/8,882,367.20
  6. Step 6: Final answer
    x = 7,626,977.94

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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.