Home / 13,245,857.53-19,868,786.61-4,148,667.13

Finding the Fourth Proportional to 13,245,857.53, 19,868,786.61 and 4,148,667.13

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Solution

The fourth proportional to 13,245,857.53, 19,868,786.61 and 4,148,667.13 is: 6,223,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245,857.53 : 19,868,786.61 = 4,148,667.13 : x
  2. Step 2: Convert to fraction form
    13,245,857.53/19,868,786.61 = 4,148,667.13/x
  3. Step 3: Cross multiply
    13,245,857.53x = 19,868,786.61 × 4,148,667.13
  4. Step 4: Simplify right side
    13,245,857.53x = 82,428,981,921,891.12
  5. Step 5: Solve for x
    x = 82,428,981,921,891.12/13,245,857.53
  6. Step 6: Final answer
    x = 6,223,000.79

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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.