Home / 21,693,616.44-29,937,107.84-11,904,224.28

Finding the Fourth Proportional to 21,693,616.44, 29,937,107.84 and 11,904,224.28

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Solution

The fourth proportional to 21,693,616.44, 29,937,107.84 and 11,904,224.28 is: 16,427,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,616.44 : 29,937,107.84 = 11,904,224.28 : x
  2. Step 2: Convert to fraction form
    21,693,616.44/29,937,107.84 = 11,904,224.28/x
  3. Step 3: Cross multiply
    21,693,616.44x = 29,937,107.84 × 11,904,224.28
  4. Step 4: Simplify right side
    21,693,616.44x = 356,378,046,021,906.31
  5. Step 5: Solve for x
    x = 356,378,046,021,906.31/21,693,616.44
  6. Step 6: Final answer
    x = 16,427,784.04

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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.