Home / 21,693,497.40-29,936,944.28-11,904,105.42

Finding the Fourth Proportional to 21,693,497.40, 29,936,944.28 and 11,904,105.42

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Solution

The fourth proportional to 21,693,497.40, 29,936,944.28 and 11,904,105.42 is: 16,427,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,497.40 : 29,936,944.28 = 11,904,105.42 : x
  2. Step 2: Convert to fraction form
    21,693,497.40/29,936,944.28 = 11,904,105.42/x
  3. Step 3: Cross multiply
    21,693,497.40x = 29,936,944.28 × 11,904,105.42
  4. Step 4: Simplify right side
    21,693,497.40x = 356,372,540,661,786
  5. Step 5: Solve for x
    x = 356,372,540,661,786/21,693,497.40
  6. Step 6: Final answer
    x = 16,427,620.41

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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.