Home / 8,670,411.40-12,991,620.30-5,469,809.80

Finding the Fourth Proportional to 8,670,411.40, 12,991,620.30 and 5,469,809.80

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Solution

The fourth proportional to 8,670,411.40, 12,991,620.30 and 5,469,809.80 is: 8,195,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,411.40 : 12,991,620.30 = 5,469,809.80 : x
  2. Step 2: Convert to fraction form
    8,670,411.40/12,991,620.30 = 5,469,809.80/x
  3. Step 3: Cross multiply
    8,670,411.40x = 12,991,620.30 × 5,469,809.80
  4. Step 4: Simplify right side
    8,670,411.40x = 71,061,692,034,818.94
  5. Step 5: Solve for x
    x = 71,061,692,034,818.94/8,670,411.40
  6. Step 6: Final answer
    x = 8,195,884.69

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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.