Home / 15,519,450.44-21,414,644.98-8,813,550.75

Finding the Fourth Proportional to 15,519,450.44, 21,414,644.98 and 8,813,550.75

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Solution

The fourth proportional to 15,519,450.44, 21,414,644.98 and 8,813,550.75 is: 12,161,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,450.44 : 21,414,644.98 = 8,813,550.75 : x
  2. Step 2: Convert to fraction form
    15,519,450.44/21,414,644.98 = 8,813,550.75/x
  3. Step 3: Cross multiply
    15,519,450.44x = 21,414,644.98 × 8,813,550.75
  4. Step 4: Simplify right side
    15,519,450.44x = 188,739,060,324,462.75
  5. Step 5: Solve for x
    x = 188,739,060,324,462.75/15,519,450.44
  6. Step 6: Final answer
    x = 12,161,452.56

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1.5x scale

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.