Home / 12,454,910.10-18,682,365.15-8,199,882.90

Finding the Fourth Proportional to 12,454,910.10, 18,682,365.15 and 8,199,882.90

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Solution

The fourth proportional to 12,454,910.10, 18,682,365.15 and 8,199,882.90 is: 12,299,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,910.10 : 18,682,365.15 = 8,199,882.90 : x
  2. Step 2: Convert to fraction form
    12,454,910.10/18,682,365.15 = 8,199,882.90/x
  3. Step 3: Cross multiply
    12,454,910.10x = 18,682,365.15 × 8,199,882.90
  4. Step 4: Simplify right side
    12,454,910.10x = 153,193,206,525,040.94
  5. Step 5: Solve for x
    x = 153,193,206,525,040.94/12,454,910.10
  6. Step 6: Final answer
    x = 12,299,824.35

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1.5x scale

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.