Home / 5,138,013.60-7,708,186.80-3,007,000.80

Finding the Fourth Proportional to 5,138,013.60, 7,708,186.80 and 3,007,000.80

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Solution

The fourth proportional to 5,138,013.60, 7,708,186.80 and 3,007,000.80 is: 4,511,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,013.60 : 7,708,186.80 = 3,007,000.80 : x
  2. Step 2: Convert to fraction form
    5,138,013.60/7,708,186.80 = 3,007,000.80/x
  3. Step 3: Cross multiply
    5,138,013.60x = 7,708,186.80 × 3,007,000.80
  4. Step 4: Simplify right side
    5,138,013.60x = 23,178,523,874,149.44
  5. Step 5: Solve for x
    x = 23,178,523,874,149.44/5,138,013.60
  6. Step 6: Final answer
    x = 4,511,183.83

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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.