Home / 7,438,745.52-11,162,423.06-3,120,408.92

Finding the Fourth Proportional to 7,438,745.52, 11,162,423.06 and 3,120,408.92

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Solution

The fourth proportional to 7,438,745.52, 11,162,423.06 and 3,120,408.92 is: 4,682,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,745.52 : 11,162,423.06 = 3,120,408.92 : x
  2. Step 2: Convert to fraction form
    7,438,745.52/11,162,423.06 = 3,120,408.92/x
  3. Step 3: Cross multiply
    7,438,745.52x = 11,162,423.06 × 3,120,408.92
  4. Step 4: Simplify right side
    7,438,745.52x = 34,831,324,509,243.24
  5. Step 5: Solve for x
    x = 34,831,324,509,243.24/7,438,745.52
  6. Step 6: Final answer
    x = 4,682,419.15

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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.