Home / 9,389,391.21-12,957,524.24-5,259,387.51

Finding the Fourth Proportional to 9,389,391.21, 12,957,524.24 and 5,259,387.51

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Solution

The fourth proportional to 9,389,391.21, 12,957,524.24 and 5,259,387.51 is: 7,258,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,391.21 : 12,957,524.24 = 5,259,387.51 : x
  2. Step 2: Convert to fraction form
    9,389,391.21/12,957,524.24 = 5,259,387.51/x
  3. Step 3: Cross multiply
    9,389,391.21x = 12,957,524.24 × 5,259,387.51
  4. Step 4: Simplify right side
    9,389,391.21x = 68,148,641,122,081.30
  5. Step 5: Solve for x
    x = 68,148,641,122,081.30/9,389,391.21
  6. Step 6: Final answer
    x = 7,258,046.83

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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.