Home / 39,517,018.89-54,534,131.77-21,634,940.97

Finding the Fourth Proportional to 39,517,018.89, 54,534,131.77 and 21,634,940.97

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Solution

The fourth proportional to 39,517,018.89, 54,534,131.77 and 21,634,940.97 is: 29,856,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,018.89 : 54,534,131.77 = 21,634,940.97 : x
  2. Step 2: Convert to fraction form
    39,517,018.89/54,534,131.77 = 21,634,940.97/x
  3. Step 3: Cross multiply
    39,517,018.89x = 54,534,131.77 × 21,634,940.97
  4. Step 4: Simplify right side
    39,517,018.89x = 1,179,842,721,694,151.50
  5. Step 5: Solve for x
    x = 1,179,842,721,694,151.50/39,517,018.89
  6. Step 6: Final answer
    x = 29,856,572.05

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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.