Home / 6,784,474.20-10,176,711.30-3,947,789.40

Finding the Fourth Proportional to 6,784,474.20, 10,176,711.30 and 3,947,789.40

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Solution

The fourth proportional to 6,784,474.20, 10,176,711.30 and 3,947,789.40 is: 5,921,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784,474.20 : 10,176,711.30 = 3,947,789.40 : x
  2. Step 2: Convert to fraction form
    6,784,474.20/10,176,711.30 = 3,947,789.40/x
  3. Step 3: Cross multiply
    6,784,474.20x = 10,176,711.30 × 3,947,789.40
  4. Step 4: Simplify right side
    6,784,474.20x = 40,175,512,997,000.22
  5. Step 5: Solve for x
    x = 40,175,512,997,000.22/6,784,474.20
  6. Step 6: Final answer
    x = 5,921,684.10

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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.