Home / 12,469,250.57-17,219,450.07-11,789,928.81

Finding the Fourth Proportional to 12,469,250.57, 17,219,450.07 and 11,789,928.81

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Solution

The fourth proportional to 12,469,250.57, 17,219,450.07 and 11,789,928.81 is: 16,281,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,250.57 : 17,219,450.07 = 11,789,928.81 : x
  2. Step 2: Convert to fraction form
    12,469,250.57/17,219,450.07 = 11,789,928.81/x
  3. Step 3: Cross multiply
    12,469,250.57x = 17,219,450.07 × 11,789,928.81
  4. Step 4: Simplify right side
    12,469,250.57x = 203,016,090,472,649.53
  5. Step 5: Solve for x
    x = 203,016,090,472,649.53/12,469,250.57
  6. Step 6: Final answer
    x = 16,281,338.59

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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.