Home / 25,183,847.70-37,775,771.55-20,144,999.70

Finding the Fourth Proportional to 25,183,847.70, 37,775,771.55 and 20,144,999.70

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Solution

The fourth proportional to 25,183,847.70, 37,775,771.55 and 20,144,999.70 is: 30,217,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183,847.70 : 37,775,771.55 = 20,144,999.70 : x
  2. Step 2: Convert to fraction form
    25,183,847.70/37,775,771.55 = 20,144,999.70/x
  3. Step 3: Cross multiply
    25,183,847.70x = 37,775,771.55 × 20,144,999.70
  4. Step 4: Simplify right side
    25,183,847.70x = 760,992,906,542,018.50
  5. Step 5: Solve for x
    x = 760,992,906,542,018.50/25,183,847.70
  6. Step 6: Final answer
    x = 30,217,499.55

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Double scale
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Similar ratio
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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.