Home / 6,778,618.20-10,169,648.34-3,137,972.76

Finding the Fourth Proportional to 6,778,618.20, 10,169,648.34 and 3,137,972.76

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Solution

The fourth proportional to 6,778,618.20, 10,169,648.34 and 3,137,972.76 is: 4,707,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,618.20 : 10,169,648.34 = 3,137,972.76 : x
  2. Step 2: Convert to fraction form
    6,778,618.20/10,169,648.34 = 3,137,972.76/x
  3. Step 3: Cross multiply
    6,778,618.20x = 10,169,648.34 × 3,137,972.76
  4. Step 4: Simplify right side
    6,778,618.20x = 31,912,079,469,699.21
  5. Step 5: Solve for x
    x = 31,912,079,469,699.21/6,778,618.20
  6. Step 6: Final answer
    x = 4,707,755.85

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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.