Home / 12,454,911.10-18,682,366.65-8,199,883.90

Finding the Fourth Proportional to 12,454,911.10, 18,682,366.65 and 8,199,883.90

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Solution

The fourth proportional to 12,454,911.10, 18,682,366.65 and 8,199,883.90 is: 12,299,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,911.10 : 18,682,366.65 = 8,199,883.90 : x
  2. Step 2: Convert to fraction form
    12,454,911.10/18,682,366.65 = 8,199,883.90/x
  3. Step 3: Cross multiply
    12,454,911.10x = 18,682,366.65 × 8,199,883.90
  4. Step 4: Simplify right side
    12,454,911.10x = 153,193,237,507,231.94
  5. Step 5: Solve for x
    x = 153,193,237,507,231.94/12,454,911.10
  6. Step 6: Final answer
    x = 12,299,825.85

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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.