Home / 22,210,871.15-33,330,692.78-11,982,790.96

Finding the Fourth Proportional to 22,210,871.15, 33,330,692.78 and 11,982,790.96

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Solution

The fourth proportional to 22,210,871.15, 33,330,692.78 and 11,982,790.96 is: 17,981,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210,871.15 : 33,330,692.78 = 11,982,790.96 : x
  2. Step 2: Convert to fraction form
    22,210,871.15/33,330,692.78 = 11,982,790.96/x
  3. Step 3: Cross multiply
    22,210,871.15x = 33,330,692.78 × 11,982,790.96
  4. Step 4: Simplify right side
    22,210,871.15x = 399,394,724,103,819.25
  5. Step 5: Solve for x
    x = 399,394,724,103,819.25/22,210,871.15
  6. Step 6: Final answer
    x = 17,981,947.73

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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.