Home / 12,455,286.70-18,682,930.05-5,736,822.70

Finding the Fourth Proportional to 12,455,286.70, 18,682,930.05 and 5,736,822.70

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Solution

The fourth proportional to 12,455,286.70, 18,682,930.05 and 5,736,822.70 is: 8,605,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,286.70 : 18,682,930.05 = 5,736,822.70 : x
  2. Step 2: Convert to fraction form
    12,455,286.70/18,682,930.05 = 5,736,822.70/x
  3. Step 3: Cross multiply
    12,455,286.70x = 18,682,930.05 × 5,736,822.70
  4. Step 4: Simplify right side
    12,455,286.70x = 107,180,657,213,352.14
  5. Step 5: Solve for x
    x = 107,180,657,213,352.14/12,455,286.70
  6. Step 6: Final answer
    x = 8,605,234.05

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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.