Home / 8,809,645.12-13,214,312.16-2,419,872.64

Finding the Fourth Proportional to 8,809,645.12, 13,214,312.16 and 2,419,872.64

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Solution

The fourth proportional to 8,809,645.12, 13,214,312.16 and 2,419,872.64 is: 3,629,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,645.12 : 13,214,312.16 = 2,419,872.64 : x
  2. Step 2: Convert to fraction form
    8,809,645.12/13,214,312.16 = 2,419,872.64/x
  3. Step 3: Cross multiply
    8,809,645.12x = 13,214,312.16 × 2,419,872.64
  4. Step 4: Simplify right side
    8,809,645.12x = 31,976,952,452,403.30
  5. Step 5: Solve for x
    x = 31,976,952,452,403.30/8,809,645.12
  6. Step 6: Final answer
    x = 3,629,766.24

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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.