Home / 10,929,512.82-16,323,408.74-9,902,791.75

Finding the Fourth Proportional to 10,929,512.82, 16,323,408.74 and 9,902,791.75

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Solution

The fourth proportional to 10,929,512.82, 16,323,408.74 and 9,902,791.75 is: 14,789,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,512.82 : 16,323,408.74 = 9,902,791.75 : x
  2. Step 2: Convert to fraction form
    10,929,512.82/16,323,408.74 = 9,902,791.75/x
  3. Step 3: Cross multiply
    10,929,512.82x = 16,323,408.74 × 9,902,791.75
  4. Step 4: Simplify right side
    10,929,512.82x = 161,647,317,334,767.56
  5. Step 5: Solve for x
    x = 161,647,317,334,767.56/10,929,512.82
  6. Step 6: Final answer
    x = 14,789,983.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.