Home / 22,179,064.08-30,763,692.84-21,589,157.28

Finding the Fourth Proportional to 22,179,064.08, 30,763,692.84 and 21,589,157.28

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Solution

The fourth proportional to 22,179,064.08, 30,763,692.84 and 21,589,157.28 is: 29,945,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179,064.08 : 30,763,692.84 = 21,589,157.28 : x
  2. Step 2: Convert to fraction form
    22,179,064.08/30,763,692.84 = 21,589,157.28/x
  3. Step 3: Cross multiply
    22,179,064.08x = 30,763,692.84 × 21,589,157.28
  4. Step 4: Simplify right side
    22,179,064.08x = 664,162,203,236,369.88
  5. Step 5: Solve for x
    x = 664,162,203,236,369.88/22,179,064.08
  6. Step 6: Final answer
    x = 29,945,456.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.