Home / 28,135,338.50-42,202,220.42-8,967,245.78

Finding the Fourth Proportional to 28,135,338.50, 42,202,220.42 and 8,967,245.78

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Solution

The fourth proportional to 28,135,338.50, 42,202,220.42 and 8,967,245.78 is: 13,450,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,338.50 : 42,202,220.42 = 8,967,245.78 : x
  2. Step 2: Convert to fraction form
    28,135,338.50/42,202,220.42 = 8,967,245.78/x
  3. Step 3: Cross multiply
    28,135,338.50x = 42,202,220.42 × 8,967,245.78
  4. Step 4: Simplify right side
    28,135,338.50x = 378,437,682,779,281.88
  5. Step 5: Solve for x
    x = 378,437,682,779,281.88/28,135,338.50
  6. Step 6: Final answer
    x = 13,450,617.73

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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.