Home / 33,085,206.78-49,582,408.88-20,932,915.66

Finding the Fourth Proportional to 33,085,206.78, 49,582,408.88 and 20,932,915.66

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Solution

The fourth proportional to 33,085,206.78, 49,582,408.88 and 20,932,915.66 is: 31,370,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085,206.78 : 49,582,408.88 = 20,932,915.66 : x
  2. Step 2: Convert to fraction form
    33,085,206.78/49,582,408.88 = 20,932,915.66/x
  3. Step 3: Cross multiply
    33,085,206.78x = 49,582,408.88 × 20,932,915.66
  4. Step 4: Simplify right side
    33,085,206.78x = 1,037,904,383,394,204.75
  5. Step 5: Solve for x
    x = 1,037,904,383,394,204.75/33,085,206.78
  6. Step 6: Final answer
    x = 31,370,648.22

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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.