Home / 15,519,449.94-21,414,644.29-8,813,550.25

Finding the Fourth Proportional to 15,519,449.94, 21,414,644.29 and 8,813,550.25

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Solution

The fourth proportional to 15,519,449.94, 21,414,644.29 and 8,813,550.25 is: 12,161,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,449.94 : 21,414,644.29 = 8,813,550.25 : x
  2. Step 2: Convert to fraction form
    15,519,449.94/21,414,644.29 = 8,813,550.25/x
  3. Step 3: Cross multiply
    15,519,449.94x = 21,414,644.29 × 8,813,550.25
  4. Step 4: Simplify right side
    15,519,449.94x = 188,739,043,535,790.56
  5. Step 5: Solve for x
    x = 188,739,043,535,790.56/15,519,449.94
  6. Step 6: Final answer
    x = 12,161,451.87

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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.