Home / 19,066,469.60-28,601,337.36-5,419,667.36

Finding the Fourth Proportional to 19,066,469.60, 28,601,337.36 and 5,419,667.36

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Solution

The fourth proportional to 19,066,469.60, 28,601,337.36 and 5,419,667.36 is: 8,129,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066,469.60 : 28,601,337.36 = 5,419,667.36 : x
  2. Step 2: Convert to fraction form
    19,066,469.60/28,601,337.36 = 5,419,667.36/x
  3. Step 3: Cross multiply
    19,066,469.60x = 28,601,337.36 × 5,419,667.36
  4. Step 4: Simplify right side
    19,066,469.60x = 155,009,734,542,340.56
  5. Step 5: Solve for x
    x = 155,009,734,542,340.56/19,066,469.60
  6. Step 6: Final answer
    x = 8,129,965.21

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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.