Home / 12,381,661.44-17,086,692.78-6,949,153.44

Finding the Fourth Proportional to 12,381,661.44, 17,086,692.78 and 6,949,153.44

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Solution

The fourth proportional to 12,381,661.44, 17,086,692.78 and 6,949,153.44 is: 9,589,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,661.44 : 17,086,692.78 = 6,949,153.44 : x
  2. Step 2: Convert to fraction form
    12,381,661.44/17,086,692.78 = 6,949,153.44/x
  3. Step 3: Cross multiply
    12,381,661.44x = 17,086,692.78 × 6,949,153.44
  4. Step 4: Simplify right side
    12,381,661.44x = 118,738,049,910,360.17
  5. Step 5: Solve for x
    x = 118,738,049,910,360.17/12,381,661.44
  6. Step 6: Final answer
    x = 9,589,831.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.