Home / 11,167,168.11-15,412,520.25-9,303,628.38

Finding the Fourth Proportional to 11,167,168.11, 15,412,520.25 and 9,303,628.38

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Solution

The fourth proportional to 11,167,168.11, 15,412,520.25 and 9,303,628.38 is: 12,840,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167,168.11 : 15,412,520.25 = 9,303,628.38 : x
  2. Step 2: Convert to fraction form
    11,167,168.11/15,412,520.25 = 9,303,628.38/x
  3. Step 3: Cross multiply
    11,167,168.11x = 15,412,520.25 × 9,303,628.38
  4. Step 4: Simplify right side
    11,167,168.11x = 143,392,360,805,224.72
  5. Step 5: Solve for x
    x = 143,392,360,805,224.72/11,167,168.11
  6. Step 6: Final answer
    x = 12,840,530.33

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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.