Home / 12,067,692.32-18,101,540.28-3,548,102.72

Finding the Fourth Proportional to 12,067,692.32, 18,101,540.28 and 3,548,102.72

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Solution

The fourth proportional to 12,067,692.32, 18,101,540.28 and 3,548,102.72 is: 5,322,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,692.32 : 18,101,540.28 = 3,548,102.72 : x
  2. Step 2: Convert to fraction form
    12,067,692.32/18,101,540.28 = 3,548,102.72/x
  3. Step 3: Cross multiply
    12,067,692.32x = 18,101,540.28 × 3,548,102.72
  4. Step 4: Simplify right side
    12,067,692.32x = 64,226,124,303,657.57
  5. Step 5: Solve for x
    x = 64,226,124,303,657.57/12,067,692.32
  6. Step 6: Final answer
    x = 5,322,154.61

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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.