Home / 13,665,951.39-18,858,114.23-7,863,796.65

Finding the Fourth Proportional to 13,665,951.39, 18,858,114.23 and 7,863,796.65

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Solution

The fourth proportional to 13,665,951.39, 18,858,114.23 and 7,863,796.65 is: 10,851,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,951.39 : 18,858,114.23 = 7,863,796.65 : x
  2. Step 2: Convert to fraction form
    13,665,951.39/18,858,114.23 = 7,863,796.65/x
  3. Step 3: Cross multiply
    13,665,951.39x = 18,858,114.23 × 7,863,796.65
  4. Step 4: Simplify right side
    13,665,951.39x = 148,296,375,432,560.25
  5. Step 5: Solve for x
    x = 148,296,375,432,560.25/13,665,951.39
  6. Step 6: Final answer
    x = 10,851,522.24

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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.