Home / 12,311,934.40-18,467,901.60-3,791,163.70

Finding the Fourth Proportional to 12,311,934.40, 18,467,901.60 and 3,791,163.70

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Solution

The fourth proportional to 12,311,934.40, 18,467,901.60 and 3,791,163.70 is: 5,686,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,934.40 : 18,467,901.60 = 3,791,163.70 : x
  2. Step 2: Convert to fraction form
    12,311,934.40/18,467,901.60 = 3,791,163.70/x
  3. Step 3: Cross multiply
    12,311,934.40x = 18,467,901.60 × 3,791,163.70
  4. Step 4: Simplify right side
    12,311,934.40x = 70,014,838,161,091.93
  5. Step 5: Solve for x
    x = 70,014,838,161,091.93/12,311,934.40
  6. Step 6: Final answer
    x = 5,686,745.55

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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.