Home / 8,474,515.20-12,711,772.80-2,794,438.80

Finding the Fourth Proportional to 8,474,515.20, 12,711,772.80 and 2,794,438.80

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Solution

The fourth proportional to 8,474,515.20, 12,711,772.80 and 2,794,438.80 is: 4,191,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,515.20 : 12,711,772.80 = 2,794,438.80 : x
  2. Step 2: Convert to fraction form
    8,474,515.20/12,711,772.80 = 2,794,438.80/x
  3. Step 3: Cross multiply
    8,474,515.20x = 12,711,772.80 × 2,794,438.80
  4. Step 4: Simplify right side
    8,474,515.20x = 35,522,271,129,104.64
  5. Step 5: Solve for x
    x = 35,522,271,129,104.64/8,474,515.20
  6. Step 6: Final answer
    x = 4,191,658.20

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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.