Home / 6,612,872.78-9,125,759.76-3,712,269.26

Finding the Fourth Proportional to 6,612,872.78, 9,125,759.76 and 3,712,269.26

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Solution

The fourth proportional to 6,612,872.78, 9,125,759.76 and 3,712,269.26 is: 5,122,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612,872.78 : 9,125,759.76 = 3,712,269.26 : x
  2. Step 2: Convert to fraction form
    6,612,872.78/9,125,759.76 = 3,712,269.26/x
  3. Step 3: Cross multiply
    6,612,872.78x = 9,125,759.76 × 3,712,269.26
  4. Step 4: Simplify right side
    6,612,872.78x = 33,877,277,431,192.98
  5. Step 5: Solve for x
    x = 33,877,277,431,192.98/6,612,872.78
  6. Step 6: Final answer
    x = 5,122,928.95

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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.