Home / 21,913,571.66-30,250,414.51-13,096,133.60

Finding the Fourth Proportional to 21,913,571.66, 30,250,414.51 and 13,096,133.60

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Solution

The fourth proportional to 21,913,571.66, 30,250,414.51 and 13,096,133.60 is: 18,078,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,571.66 : 30,250,414.51 = 13,096,133.60 : x
  2. Step 2: Convert to fraction form
    21,913,571.66/30,250,414.51 = 13,096,133.60/x
  3. Step 3: Cross multiply
    21,913,571.66x = 30,250,414.51 × 13,096,133.60
  4. Step 4: Simplify right side
    21,913,571.66x = 396,163,469,694,346.12
  5. Step 5: Solve for x
    x = 396,163,469,694,346.12/21,913,571.66
  6. Step 6: Final answer
    x = 18,078,452.75

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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.