Home / 31,529,867.12-43,511,197.38-17,043,179.12

Finding the Fourth Proportional to 31,529,867.12, 43,511,197.38 and 17,043,179.12

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Solution

The fourth proportional to 31,529,867.12, 43,511,197.38 and 17,043,179.12 is: 23,519,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,867.12 : 43,511,197.38 = 17,043,179.12 : x
  2. Step 2: Convert to fraction form
    31,529,867.12/43,511,197.38 = 17,043,179.12/x
  3. Step 3: Cross multiply
    31,529,867.12x = 43,511,197.38 × 17,043,179.12
  4. Step 4: Simplify right side
    31,529,867.12x = 741,569,130,673,014.75
  5. Step 5: Solve for x
    x = 741,569,130,673,014.75/31,529,867.12
  6. Step 6: Final answer
    x = 23,519,576.78

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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.