Home / 31,321,744.38-43,229,202.12-18,269,002.89

Finding the Fourth Proportional to 31,321,744.38, 43,229,202.12 and 18,269,002.89

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Solution

The fourth proportional to 31,321,744.38, 43,229,202.12 and 18,269,002.89 is: 25,214,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321,744.38 : 43,229,202.12 = 18,269,002.89 : x
  2. Step 2: Convert to fraction form
    31,321,744.38/43,229,202.12 = 18,269,002.89/x
  3. Step 3: Cross multiply
    31,321,744.38x = 43,229,202.12 × 18,269,002.89
  4. Step 4: Simplify right side
    31,321,744.38x = 789,754,418,462,674.12
  5. Step 5: Solve for x
    x = 789,754,418,462,674.12/31,321,744.38
  6. Step 6: Final answer
    x = 25,214,254.00

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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.