Home / 7,217,529.05-9,960,189.81-3,954,467.54

Finding the Fourth Proportional to 7,217,529.05, 9,960,189.81 and 3,954,467.54

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Solution

The fourth proportional to 7,217,529.05, 9,960,189.81 and 3,954,467.54 is: 5,457,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,529.05 : 9,960,189.81 = 3,954,467.54 : x
  2. Step 2: Convert to fraction form
    7,217,529.05/9,960,189.81 = 3,954,467.54/x
  3. Step 3: Cross multiply
    7,217,529.05x = 9,960,189.81 × 3,954,467.54
  4. Step 4: Simplify right side
    7,217,529.05x = 39,387,247,305,954.99
  5. Step 5: Solve for x
    x = 39,387,247,305,954.99/7,217,529.05
  6. Step 6: Final answer
    x = 5,457,165.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.