Home / 10,640,393.39-15,962,832.09-3,451,366.80

Finding the Fourth Proportional to 10,640,393.39, 15,962,832.09 and 3,451,366.80

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Solution

The fourth proportional to 10,640,393.39, 15,962,832.09 and 3,451,366.80 is: 5,177,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,393.39 : 15,962,832.09 = 3,451,366.80 : x
  2. Step 2: Convert to fraction form
    10,640,393.39/15,962,832.09 = 3,451,366.80/x
  3. Step 3: Cross multiply
    10,640,393.39x = 15,962,832.09 × 3,451,366.80
  4. Step 4: Simplify right side
    10,640,393.39x = 55,093,588,709,400.61
  5. Step 5: Solve for x
    x = 55,093,588,709,400.61/10,640,393.39
  6. Step 6: Final answer
    x = 5,177,777.43

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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.