Home / 20,021,303.39-27,629,616.22-11,761,713.79

Finding the Fourth Proportional to 20,021,303.39, 27,629,616.22 and 11,761,713.79

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Solution

The fourth proportional to 20,021,303.39, 27,629,616.22 and 11,761,713.79 is: 16,231,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021,303.39 : 27,629,616.22 = 11,761,713.79 : x
  2. Step 2: Convert to fraction form
    20,021,303.39/27,629,616.22 = 11,761,713.79/x
  3. Step 3: Cross multiply
    20,021,303.39x = 27,629,616.22 × 11,761,713.79
  4. Step 4: Simplify right side
    20,021,303.39x = 324,971,638,230,279.56
  5. Step 5: Solve for x
    x = 324,971,638,230,279.56/20,021,303.39
  6. Step 6: Final answer
    x = 16,231,292.84

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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.