Home / 13,434,629.79-20,122,406.07-11,102,694.11

Finding the Fourth Proportional to 13,434,629.79, 20,122,406.07 and 11,102,694.11

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Solution

The fourth proportional to 13,434,629.79, 20,122,406.07 and 11,102,694.11 is: 16,629,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,629.79 : 20,122,406.07 = 11,102,694.11 : x
  2. Step 2: Convert to fraction form
    13,434,629.79/20,122,406.07 = 11,102,694.11/x
  3. Step 3: Cross multiply
    13,434,629.79x = 20,122,406.07 × 11,102,694.11
  4. Step 4: Simplify right side
    13,434,629.79x = 223,412,919,398,817.69
  5. Step 5: Solve for x
    x = 223,412,919,398,817.69/13,434,629.79
  6. Step 6: Final answer
    x = 16,629,629.76

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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.