Home / 20,732,629.56-31,098,944.34-13,193,019.96

Finding the Fourth Proportional to 20,732,629.56, 31,098,944.34 and 13,193,019.96

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Solution

The fourth proportional to 20,732,629.56, 31,098,944.34 and 13,193,019.96 is: 19,789,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,629.56 : 31,098,944.34 = 13,193,019.96 : x
  2. Step 2: Convert to fraction form
    20,732,629.56/31,098,944.34 = 13,193,019.96/x
  3. Step 3: Cross multiply
    20,732,629.56x = 31,098,944.34 × 13,193,019.96
  4. Step 4: Simplify right side
    20,732,629.56x = 410,288,993,412,549.06
  5. Step 5: Solve for x
    x = 410,288,993,412,549.06/20,732,629.56
  6. Step 6: Final answer
    x = 19,789,529.94

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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.