Home / 8,380,147.85-12,568,228.79-2,314,745.28

Finding the Fourth Proportional to 8,380,147.85, 12,568,228.79 and 2,314,745.28

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Solution

The fourth proportional to 8,380,147.85, 12,568,228.79 and 2,314,745.28 is: 3,471,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,147.85 : 12,568,228.79 = 2,314,745.28 : x
  2. Step 2: Convert to fraction form
    8,380,147.85/12,568,228.79 = 2,314,745.28/x
  3. Step 3: Cross multiply
    8,380,147.85x = 12,568,228.79 × 2,314,745.28
  4. Step 4: Simplify right side
    8,380,147.85x = 29,092,248,258,038.88
  5. Step 5: Solve for x
    x = 29,092,248,258,038.88/8,380,147.85
  6. Step 6: Final answer
    x = 3,471,567.42

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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.