Home / 12,120,154.94-18,177,122.01-3,598,514.30

Finding the Fourth Proportional to 12,120,154.94, 18,177,122.01 and 3,598,514.30

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Solution

The fourth proportional to 12,120,154.94, 18,177,122.01 and 3,598,514.30 is: 5,396,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,154.94 : 18,177,122.01 = 3,598,514.30 : x
  2. Step 2: Convert to fraction form
    12,120,154.94/18,177,122.01 = 3,598,514.30/x
  3. Step 3: Cross multiply
    12,120,154.94x = 18,177,122.01 × 3,598,514.30
  4. Step 4: Simplify right side
    12,120,154.94x = 65,410,633,544,766.98
  5. Step 5: Solve for x
    x = 65,410,633,544,766.98/12,120,154.94
  6. Step 6: Final answer
    x = 5,396,847.97

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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.