Home / 18,386,190.92-25,371,065.84-11,320,662.17

Finding the Fourth Proportional to 18,386,190.92, 25,371,065.84 and 11,320,662.17

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Solution

The fourth proportional to 18,386,190.92, 25,371,065.84 and 11,320,662.17 is: 15,621,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,190.92 : 25,371,065.84 = 11,320,662.17 : x
  2. Step 2: Convert to fraction form
    18,386,190.92/25,371,065.84 = 11,320,662.17/x
  3. Step 3: Cross multiply
    18,386,190.92x = 25,371,065.84 × 11,320,662.17
  4. Step 4: Simplify right side
    18,386,190.92x = 287,217,265,274,291.62
  5. Step 5: Solve for x
    x = 287,217,265,274,291.62/18,386,190.92
  6. Step 6: Final answer
    x = 15,621,357.71

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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.