Home / 8,474,638.70-12,711,958.05-2,794,562.30

Finding the Fourth Proportional to 8,474,638.70, 12,711,958.05 and 2,794,562.30

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Solution

The fourth proportional to 8,474,638.70, 12,711,958.05 and 2,794,562.30 is: 4,191,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,638.70 : 12,711,958.05 = 2,794,562.30 : x
  2. Step 2: Convert to fraction form
    8,474,638.70/12,711,958.05 = 2,794,562.30/x
  3. Step 3: Cross multiply
    8,474,638.70x = 12,711,958.05 × 2,794,562.30
  4. Step 4: Simplify right side
    8,474,638.70x = 35,524,358,725,711.52
  5. Step 5: Solve for x
    x = 35,524,358,725,711.52/8,474,638.70
  6. Step 6: Final answer
    x = 4,191,843.45

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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.