Home / 36,380,692.20-54,578,619.90-12,127,153.80

Finding the Fourth Proportional to 36,380,692.20, 54,578,619.90 and 12,127,153.80

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Solution

The fourth proportional to 36,380,692.20, 54,578,619.90 and 12,127,153.80 is: 18,193,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380,692.20 : 54,578,619.90 = 12,127,153.80 : x
  2. Step 2: Convert to fraction form
    36,380,692.20/54,578,619.90 = 12,127,153.80/x
  3. Step 3: Cross multiply
    36,380,692.20x = 54,578,619.90 × 12,127,153.80
  4. Step 4: Simplify right side
    36,380,692.20x = 661,883,317,719,040.62
  5. Step 5: Solve for x
    x = 661,883,317,719,040.62/36,380,692.20
  6. Step 6: Final answer
    x = 18,193,257.95

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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.