Home / 21,345,021.06-29,505,772.82-19,044,712.58

Finding the Fourth Proportional to 21,345,021.06, 29,505,772.82 and 19,044,712.58

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Solution

The fourth proportional to 21,345,021.06, 29,505,772.82 and 19,044,712.58 is: 26,325,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,021.06 : 29,505,772.82 = 19,044,712.58 : x
  2. Step 2: Convert to fraction form
    21,345,021.06/29,505,772.82 = 19,044,712.58/x
  3. Step 3: Cross multiply
    21,345,021.06x = 29,505,772.82 × 19,044,712.58
  4. Step 4: Simplify right side
    21,345,021.06x = 561,928,962,807,676
  5. Step 5: Solve for x
    x = 561,928,962,807,676/21,345,021.06
  6. Step 6: Final answer
    x = 26,325,997.11

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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.