Home / 9,328,508.72-12,873,354.39-5,198,449.26

Finding the Fourth Proportional to 9,328,508.72, 12,873,354.39 and 5,198,449.26

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Solution

The fourth proportional to 9,328,508.72, 12,873,354.39 and 5,198,449.26 is: 7,173,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,508.72 : 12,873,354.39 = 5,198,449.26 : x
  2. Step 2: Convert to fraction form
    9,328,508.72/12,873,354.39 = 5,198,449.26/x
  3. Step 3: Cross multiply
    9,328,508.72x = 12,873,354.39 × 5,198,449.26
  4. Step 4: Simplify right side
    9,328,508.72x = 66,921,479,602,413.25
  5. Step 5: Solve for x
    x = 66,921,479,602,413.25/9,328,508.72
  6. Step 6: Final answer
    x = 7,173,866.87

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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.