Home / 20,021,358.97-27,629,692.86-11,761,769.35

Finding the Fourth Proportional to 20,021,358.97, 27,629,692.86 and 11,761,769.35

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Solution

The fourth proportional to 20,021,358.97, 27,629,692.86 and 11,761,769.35 is: 16,231,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021,358.97 : 27,629,692.86 = 11,761,769.35 : x
  2. Step 2: Convert to fraction form
    20,021,358.97/27,629,692.86 = 11,761,769.35/x
  3. Step 3: Cross multiply
    20,021,358.97x = 27,629,692.86 × 11,761,769.35
  4. Step 4: Simplify right side
    20,021,358.97x = 324,974,074,630,661.81
  5. Step 5: Solve for x
    x = 324,974,074,630,661.81/20,021,358.97
  6. Step 6: Final answer
    x = 16,231,369.46

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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.