Home / 8,213,464.41-12,319,255.31-2,148,781.38

Finding the Fourth Proportional to 8,213,464.41, 12,319,255.31 and 2,148,781.38

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Solution

The fourth proportional to 8,213,464.41, 12,319,255.31 and 2,148,781.38 is: 3,222,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,464.41 : 12,319,255.31 = 2,148,781.38 : x
  2. Step 2: Convert to fraction form
    8,213,464.41/12,319,255.31 = 2,148,781.38/x
  3. Step 3: Cross multiply
    8,213,464.41x = 12,319,255.31 × 2,148,781.38
  4. Step 4: Simplify right side
    8,213,464.41x = 26,471,386,414,850.22
  5. Step 5: Solve for x
    x = 26,471,386,414,850.22/8,213,464.41
  6. Step 6: Final answer
    x = 3,222,925.81

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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.