Home / 21,694,108.92-29,937,788.10-11,904,716.76

Finding the Fourth Proportional to 21,694,108.92, 29,937,788.10 and 11,904,716.76

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Solution

The fourth proportional to 21,694,108.92, 29,937,788.10 and 11,904,716.76 is: 16,428,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,108.92 : 29,937,788.10 = 11,904,716.76 : x
  2. Step 2: Convert to fraction form
    21,694,108.92/29,937,788.10 = 11,904,716.76/x
  3. Step 3: Cross multiply
    21,694,108.92x = 29,937,788.10 × 11,904,716.76
  4. Step 4: Simplify right side
    21,694,108.92x = 356,400,887,751,398.56
  5. Step 5: Solve for x
    x = 356,400,887,751,398.56/21,694,108.92
  6. Step 6: Final answer
    x = 16,428,464.02

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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.