Home / 12,440,012.71-18,652,320.82-4,858,062.79

Finding the Fourth Proportional to 12,440,012.71, 18,652,320.82 and 4,858,062.79

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Solution

The fourth proportional to 12,440,012.71, 18,652,320.82 and 4,858,062.79 is: 7,284,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,012.71 : 18,652,320.82 = 4,858,062.79 : x
  2. Step 2: Convert to fraction form
    12,440,012.71/18,652,320.82 = 4,858,062.79/x
  3. Step 3: Cross multiply
    12,440,012.71x = 18,652,320.82 × 4,858,062.79
  4. Step 4: Simplify right side
    12,440,012.71x = 90,614,145,722,784.30
  5. Step 5: Solve for x
    x = 90,614,145,722,784.30/12,440,012.71
  6. Step 6: Final answer
    x = 7,284,087.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.