Home / 12,413,380.92-18,620,175.06-4,326,343.44

Finding the Fourth Proportional to 12,413,380.92, 18,620,175.06 and 4,326,343.44

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Solution

The fourth proportional to 12,413,380.92, 18,620,175.06 and 4,326,343.44 is: 6,489,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,380.92 : 18,620,175.06 = 4,326,343.44 : x
  2. Step 2: Convert to fraction form
    12,413,380.92/18,620,175.06 = 4,326,343.44/x
  3. Step 3: Cross multiply
    12,413,380.92x = 18,620,175.06 × 4,326,343.44
  4. Step 4: Simplify right side
    12,413,380.92x = 80,557,272,222,482.61
  5. Step 5: Solve for x
    x = 80,557,272,222,482.61/12,413,380.92
  6. Step 6: Final answer
    x = 6,489,551.29

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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.