Home / 28,427,083.62-39,229,375.44-15,374,342.58

Finding the Fourth Proportional to 28,427,083.62, 39,229,375.44 and 15,374,342.58

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Solution

The fourth proportional to 28,427,083.62, 39,229,375.44 and 15,374,342.58 is: 21,216,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,083.62 : 39,229,375.44 = 15,374,342.58 : x
  2. Step 2: Convert to fraction form
    28,427,083.62/39,229,375.44 = 15,374,342.58/x
  3. Step 3: Cross multiply
    28,427,083.62x = 39,229,375.44 × 15,374,342.58
  4. Step 4: Simplify right side
    28,427,083.62x = 603,125,857,213,998.25
  5. Step 5: Solve for x
    x = 603,125,857,213,998.25/28,427,083.62
  6. Step 6: Final answer
    x = 21,216,592.78

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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.