Home / 28,327,531.60-42,435,310.20-15,525,125.20

Finding the Fourth Proportional to 28,327,531.60, 42,435,310.20 and 15,525,125.20

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Solution

The fourth proportional to 28,327,531.60, 42,435,310.20 and 15,525,125.20 is: 23,257,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327,531.60 : 42,435,310.20 = 15,525,125.20 : x
  2. Step 2: Convert to fraction form
    28,327,531.60/42,435,310.20 = 15,525,125.20/x
  3. Step 3: Cross multiply
    28,327,531.60x = 42,435,310.20 × 15,525,125.20
  4. Step 4: Simplify right side
    28,327,531.60x = 658,813,503,755,837
  5. Step 5: Solve for x
    x = 658,813,503,755,837/28,327,531.60
  6. Step 6: Final answer
    x = 23,257,003.58

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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.