Home / 18,355,240.80-27,532,861.20-11,188,879.20

Finding the Fourth Proportional to 18,355,240.80, 27,532,861.20 and 11,188,879.20

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Solution

The fourth proportional to 18,355,240.80, 27,532,861.20 and 11,188,879.20 is: 16,783,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,240.80 : 27,532,861.20 = 11,188,879.20 : x
  2. Step 2: Convert to fraction form
    18,355,240.80/27,532,861.20 = 11,188,879.20/x
  3. Step 3: Cross multiply
    18,355,240.80x = 27,532,861.20 × 11,188,879.20
  4. Step 4: Simplify right side
    18,355,240.80x = 308,061,857,997,167
  5. Step 5: Solve for x
    x = 308,061,857,997,167/18,355,240.80
  6. Step 6: Final answer
    x = 16,783,318.80

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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.