Home / 8,149,555.20-12,221,222.40-2,467,891.20

Finding the Fourth Proportional to 8,149,555.20, 12,221,222.40 and 2,467,891.20

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Solution

The fourth proportional to 8,149,555.20, 12,221,222.40 and 2,467,891.20 is: 3,700,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,555.20 : 12,221,222.40 = 2,467,891.20 : x
  2. Step 2: Convert to fraction form
    8,149,555.20/12,221,222.40 = 2,467,891.20/x
  3. Step 3: Cross multiply
    8,149,555.20x = 12,221,222.40 × 2,467,891.20
  4. Step 4: Simplify right side
    8,149,555.20x = 30,160,647,214,202.88
  5. Step 5: Solve for x
    x = 30,160,647,214,202.88/8,149,555.20
  6. Step 6: Final answer
    x = 3,700,894.89

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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.