Home / 21,694,107.92-29,937,786.72-11,904,715.76

Finding the Fourth Proportional to 21,694,107.92, 29,937,786.72 and 11,904,715.76

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Solution

The fourth proportional to 21,694,107.92, 29,937,786.72 and 11,904,715.76 is: 16,428,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,107.92 : 29,937,786.72 = 11,904,715.76 : x
  2. Step 2: Convert to fraction form
    21,694,107.92/29,937,786.72 = 11,904,715.76/x
  3. Step 3: Cross multiply
    21,694,107.92x = 29,937,786.72 × 11,904,715.76
  4. Step 4: Simplify right side
    21,694,107.92x = 356,400,841,385,102.69
  5. Step 5: Solve for x
    x = 356,400,841,385,102.69/21,694,107.92
  6. Step 6: Final answer
    x = 16,428,462.64

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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.