Home / 13,198,321.80-19,781,736.30-11,844,131.40

Finding the Fourth Proportional to 13,198,321.80, 19,781,736.30 and 11,844,131.40

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Solution

The fourth proportional to 13,198,321.80, 19,781,736.30 and 11,844,131.40 is: 17,752,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,321.80 : 19,781,736.30 = 11,844,131.40 : x
  2. Step 2: Convert to fraction form
    13,198,321.80/19,781,736.30 = 11,844,131.40/x
  3. Step 3: Cross multiply
    13,198,321.80x = 19,781,736.30 × 11,844,131.40
  4. Step 4: Simplify right side
    13,198,321.80x = 234,297,484,057,349.84
  5. Step 5: Solve for x
    x = 234,297,484,057,349.84/13,198,321.80
  6. Step 6: Final answer
    x = 17,752,066.33

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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.