Home / 28,135,340.25-42,202,223.05-8,967,247.53

Finding the Fourth Proportional to 28,135,340.25, 42,202,223.05 and 8,967,247.53

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Solution

The fourth proportional to 28,135,340.25, 42,202,223.05 and 8,967,247.53 is: 13,450,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,340.25 : 42,202,223.05 = 8,967,247.53 : x
  2. Step 2: Convert to fraction form
    28,135,340.25/42,202,223.05 = 8,967,247.53/x
  3. Step 3: Cross multiply
    28,135,340.25x = 42,202,223.05 × 8,967,247.53
  4. Step 4: Simplify right side
    28,135,340.25x = 378,437,780,405,621.50
  5. Step 5: Solve for x
    x = 378,437,780,405,621.50/28,135,340.25
  6. Step 6: Final answer
    x = 13,450,620.36

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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.