Home / 18,783,035.70-28,174,553.55-9,193,478.10

Finding the Fourth Proportional to 18,783,035.70, 28,174,553.55 and 9,193,478.10

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Solution

The fourth proportional to 18,783,035.70, 28,174,553.55 and 9,193,478.10 is: 13,790,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,035.70 : 28,174,553.55 = 9,193,478.10 : x
  2. Step 2: Convert to fraction form
    18,783,035.70/28,174,553.55 = 9,193,478.10/x
  3. Step 3: Cross multiply
    18,783,035.70x = 28,174,553.55 × 9,193,478.10
  4. Step 4: Simplify right side
    18,783,035.70x = 259,022,141,039,202.25
  5. Step 5: Solve for x
    x = 259,022,141,039,202.25/18,783,035.70
  6. Step 6: Final answer
    x = 13,790,217.15

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Double scale
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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.