Home / 12,318,745.05-18,477,913.91-3,682,865.43

Finding the Fourth Proportional to 12,318,745.05, 18,477,913.91 and 3,682,865.43

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Solution

The fourth proportional to 12,318,745.05, 18,477,913.91 and 3,682,865.43 is: 5,524,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,745.05 : 18,477,913.91 = 3,682,865.43 : x
  2. Step 2: Convert to fraction form
    12,318,745.05/18,477,913.91 = 3,682,865.43/x
  3. Step 3: Cross multiply
    12,318,745.05x = 18,477,913.91 × 3,682,865.43
  4. Step 4: Simplify right side
    12,318,745.05x = 68,051,670,339,240.81
  5. Step 5: Solve for x
    x = 68,051,670,339,240.81/12,318,745.05
  6. Step 6: Final answer
    x = 5,524,237.25

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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.