Home / 19,965,429.47-29,951,453.79-7,008,217.94

Finding the Fourth Proportional to 19,965,429.47, 29,951,453.79 and 7,008,217.94

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Solution

The fourth proportional to 19,965,429.47, 29,951,453.79 and 7,008,217.94 is: 10,513,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965,429.47 : 29,951,453.79 = 7,008,217.94 : x
  2. Step 2: Convert to fraction form
    19,965,429.47/29,951,453.79 = 7,008,217.94/x
  3. Step 3: Cross multiply
    19,965,429.47x = 29,951,453.79 × 7,008,217.94
  4. Step 4: Simplify right side
    19,965,429.47x = 209,906,315,855,037.62
  5. Step 5: Solve for x
    x = 209,906,315,855,037.62/19,965,429.47
  6. Step 6: Final answer
    x = 10,513,488.64

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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.