Home / 21,318,553.04-31,963,625.40-11,738,443.28

Finding the Fourth Proportional to 21,318,553.04, 31,963,625.40 and 11,738,443.28

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Solution

The fourth proportional to 21,318,553.04, 31,963,625.40 and 11,738,443.28 is: 17,599,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,318,553.04 : 31,963,625.40 = 11,738,443.28 : x
  2. Step 2: Convert to fraction form
    21,318,553.04/31,963,625.40 = 11,738,443.28/x
  3. Step 3: Cross multiply
    21,318,553.04x = 31,963,625.40 × 11,738,443.28
  4. Step 4: Simplify right side
    21,318,553.04x = 375,203,203,781,067.25
  5. Step 5: Solve for x
    x = 375,203,203,781,067.25/21,318,553.04
  6. Step 6: Final answer
    x = 17,599,843.81

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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.