Home / 18,571,578.51-27,842,716.48-11,733,738.91

Finding the Fourth Proportional to 18,571,578.51, 27,842,716.48 and 11,733,738.91

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Solution

The fourth proportional to 18,571,578.51, 27,842,716.48 and 11,733,738.91 is: 17,591,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,578.51 : 27,842,716.48 = 11,733,738.91 : x
  2. Step 2: Convert to fraction form
    18,571,578.51/27,842,716.48 = 11,733,738.91/x
  3. Step 3: Cross multiply
    18,571,578.51x = 27,842,716.48 × 11,733,738.91
  4. Step 4: Simplify right side
    18,571,578.51x = 326,699,165,721,474.25
  5. Step 5: Solve for x
    x = 326,699,165,721,474.25/18,571,578.51
  6. Step 6: Final answer
    x = 17,591,351.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.