Home / 6,789,021.20-10,183,531.80-5,912,143.55

Finding the Fourth Proportional to 6,789,021.20, 10,183,531.80 and 5,912,143.55

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Solution

The fourth proportional to 6,789,021.20, 10,183,531.80 and 5,912,143.55 is: 8,868,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,021.20 : 10,183,531.80 = 5,912,143.55 : x
  2. Step 2: Convert to fraction form
    6,789,021.20/10,183,531.80 = 5,912,143.55/x
  3. Step 3: Cross multiply
    6,789,021.20x = 10,183,531.80 × 5,912,143.55
  4. Step 4: Simplify right side
    6,789,021.20x = 60,206,501,847,589.89
  5. Step 5: Solve for x
    x = 60,206,501,847,589.89/6,789,021.20
  6. Step 6: Final answer
    x = 8,868,215.33

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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.