Home / 13,489,469.46-18,614,337.57-7,608,778.74

Finding the Fourth Proportional to 13,489,469.46, 18,614,337.57 and 7,608,778.74

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Solution

The fourth proportional to 13,489,469.46, 18,614,337.57 and 7,608,778.74 is: 10,499,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489,469.46 : 18,614,337.57 = 7,608,778.74 : x
  2. Step 2: Convert to fraction form
    13,489,469.46/18,614,337.57 = 7,608,778.74/x
  3. Step 3: Cross multiply
    13,489,469.46x = 18,614,337.57 × 7,608,778.74
  4. Step 4: Simplify right side
    13,489,469.46x = 141,632,375,961,799.28
  5. Step 5: Solve for x
    x = 141,632,375,961,799.28/13,489,469.46
  6. Step 6: Final answer
    x = 10,499,477.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.