Home / 19,082,011.62-28,550,790.01-11,305,102.80

Finding the Fourth Proportional to 19,082,011.62, 28,550,790.01 and 11,305,102.80

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Solution

The fourth proportional to 19,082,011.62, 28,550,790.01 and 11,305,102.80 is: 16,914,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082,011.62 : 28,550,790.01 = 11,305,102.80 : x
  2. Step 2: Convert to fraction form
    19,082,011.62/28,550,790.01 = 11,305,102.80/x
  3. Step 3: Cross multiply
    19,082,011.62x = 28,550,790.01 × 11,305,102.80
  4. Step 4: Simplify right side
    19,082,011.62x = 322,769,616,141,868.69
  5. Step 5: Solve for x
    x = 322,769,616,141,868.69/19,082,011.62
  6. Step 6: Final answer
    x = 16,914,863.20

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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.