Home / 13,747,813.40-20,621,716.94-3,512,692.38

Finding the Fourth Proportional to 13,747,813.40, 20,621,716.94 and 3,512,692.38

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Solution

The fourth proportional to 13,747,813.40, 20,621,716.94 and 3,512,692.38 is: 5,269,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,813.40 : 20,621,716.94 = 3,512,692.38 : x
  2. Step 2: Convert to fraction form
    13,747,813.40/20,621,716.94 = 3,512,692.38/x
  3. Step 3: Cross multiply
    13,747,813.40x = 20,621,716.94 × 3,512,692.38
  4. Step 4: Simplify right side
    13,747,813.40x = 72,437,747,957,654.92
  5. Step 5: Solve for x
    x = 72,437,747,957,654.92/13,747,813.40
  6. Step 6: Final answer
    x = 5,269,037.76

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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.