Home / 13,198,155.24-18,213,429.96-7,396,935.48

Finding the Fourth Proportional to 13,198,155.24, 18,213,429.96 and 7,396,935.48

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Solution

The fourth proportional to 13,198,155.24, 18,213,429.96 and 7,396,935.48 is: 10,207,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,155.24 : 18,213,429.96 = 7,396,935.48 : x
  2. Step 2: Convert to fraction form
    13,198,155.24/18,213,429.96 = 7,396,935.48/x
  3. Step 3: Cross multiply
    13,198,155.24x = 18,213,429.96 × 7,396,935.48
  4. Step 4: Simplify right side
    13,198,155.24x = 134,723,566,283,619
  5. Step 5: Solve for x
    x = 134,723,566,283,619/13,198,155.24
  6. Step 6: Final answer
    x = 10,207,757.36

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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.