Home / 18,192,692.70-27,289,039.05-16,704,657.90

Finding the Fourth Proportional to 18,192,692.70, 27,289,039.05 and 16,704,657.90

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Solution

The fourth proportional to 18,192,692.70, 27,289,039.05 and 16,704,657.90 is: 25,056,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,692.70 : 27,289,039.05 = 16,704,657.90 : x
  2. Step 2: Convert to fraction form
    18,192,692.70/27,289,039.05 = 16,704,657.90/x
  3. Step 3: Cross multiply
    18,192,692.70x = 27,289,039.05 × 16,704,657.90
  4. Step 4: Simplify right side
    18,192,692.70x = 455,854,061,749,991
  5. Step 5: Solve for x
    x = 455,854,061,749,991/18,192,692.70
  6. Step 6: Final answer
    x = 25,056,986.85

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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.