Home / 10,782,971.80-16,169,049-3,591,977.56

Finding the Fourth Proportional to 10,782,971.80, 16,169,049 and 3,591,977.56

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Solution

The fourth proportional to 10,782,971.80, 16,169,049 and 3,591,977.56 is: 5,386,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,971.80 : 16,169,049 = 3,591,977.56 : x
  2. Step 2: Convert to fraction form
    10,782,971.80/16,169,049 = 3,591,977.56/x
  3. Step 3: Cross multiply
    10,782,971.80x = 16,169,049 × 3,591,977.56
  4. Step 4: Simplify right side
    10,782,971.80x = 58,078,861,174,540.44
  5. Step 5: Solve for x
    x = 58,078,861,174,540.44/10,782,971.80
  6. Step 6: Final answer
    x = 5,386,164.62

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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.