Home / 28,040,793.90-42,061,190.85-15,947,558.70

Finding the Fourth Proportional to 28,040,793.90, 42,061,190.85 and 15,947,558.70

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Solution

The fourth proportional to 28,040,793.90, 42,061,190.85 and 15,947,558.70 is: 23,921,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,793.90 : 42,061,190.85 = 15,947,558.70 : x
  2. Step 2: Convert to fraction form
    28,040,793.90/42,061,190.85 = 15,947,558.70/x
  3. Step 3: Cross multiply
    28,040,793.90x = 42,061,190.85 × 15,947,558.70
  4. Step 4: Simplify right side
    28,040,793.90x = 670,773,310,072,277.88
  5. Step 5: Solve for x
    x = 670,773,310,072,277.88/28,040,793.90
  6. Step 6: Final answer
    x = 23,921,338.05

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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.