Home / 8,311,795.62-12,467,692.74-4,212,478.20

Finding the Fourth Proportional to 8,311,795.62, 12,467,692.74 and 4,212,478.20

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Solution

The fourth proportional to 8,311,795.62, 12,467,692.74 and 4,212,478.20 is: 6,318,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,795.62 : 12,467,692.74 = 4,212,478.20 : x
  2. Step 2: Convert to fraction form
    8,311,795.62/12,467,692.74 = 4,212,478.20/x
  3. Step 3: Cross multiply
    8,311,795.62x = 12,467,692.74 × 4,212,478.20
  4. Step 4: Simplify right side
    8,311,795.62x = 52,519,883,871,548.27
  5. Step 5: Solve for x
    x = 52,519,883,871,548.27/8,311,795.62
  6. Step 6: Final answer
    x = 6,318,716.95

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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.