Home / 36,650,228.57-50,586,123.56-20,978,338.97

Finding the Fourth Proportional to 36,650,228.57, 50,586,123.56 and 20,978,338.97

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Solution

The fourth proportional to 36,650,228.57, 50,586,123.56 and 20,978,338.97 is: 28,955,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,650,228.57 : 50,586,123.56 = 20,978,338.97 : x
  2. Step 2: Convert to fraction form
    36,650,228.57/50,586,123.56 = 20,978,338.97/x
  3. Step 3: Cross multiply
    36,650,228.57x = 50,586,123.56 × 20,978,338.97
  4. Step 4: Simplify right side
    36,650,228.57x = 1,061,212,847,219,983.12
  5. Step 5: Solve for x
    x = 1,061,212,847,219,983.12/36,650,228.57
  6. Step 6: Final answer
    x = 28,955,149.49

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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.