Home / 36,318,840.36-50,120,337.78-20,021,899.56

Finding the Fourth Proportional to 36,318,840.36, 50,120,337.78 and 20,021,899.56

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Solution

The fourth proportional to 36,318,840.36, 50,120,337.78 and 20,021,899.56 is: 27,630,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318,840.36 : 50,120,337.78 = 20,021,899.56 : x
  2. Step 2: Convert to fraction form
    36,318,840.36/50,120,337.78 = 20,021,899.56/x
  3. Step 3: Cross multiply
    36,318,840.36x = 50,120,337.78 × 20,021,899.56
  4. Step 4: Simplify right side
    36,318,840.36x = 1,003,504,368,944,433.38
  5. Step 5: Solve for x
    x = 1,003,504,368,944,433.38/36,318,840.36
  6. Step 6: Final answer
    x = 27,630,407.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.