Home / 12,726,712.76-17,563,233.17-6,925,868.60

Finding the Fourth Proportional to 12,726,712.76, 17,563,233.17 and 6,925,868.60

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Solution

The fourth proportional to 12,726,712.76, 17,563,233.17 and 6,925,868.60 is: 9,557,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,712.76 : 17,563,233.17 = 6,925,868.60 : x
  2. Step 2: Convert to fraction form
    12,726,712.76/17,563,233.17 = 6,925,868.60/x
  3. Step 3: Cross multiply
    12,726,712.76x = 17,563,233.17 × 6,925,868.60
  4. Step 4: Simplify right side
    12,726,712.76x = 121,640,645,056,079.95
  5. Step 5: Solve for x
    x = 121,640,645,056,079.95/12,726,712.76
  6. Step 6: Final answer
    x = 9,557,899.78

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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.