Home / 18,030,812.82-27,049,368.71-7,933,171.38

Finding the Fourth Proportional to 18,030,812.82, 27,049,368.71 and 7,933,171.38

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Solution

The fourth proportional to 18,030,812.82, 27,049,368.71 and 7,933,171.38 is: 11,901,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030,812.82 : 27,049,368.71 = 7,933,171.38 : x
  2. Step 2: Convert to fraction form
    18,030,812.82/27,049,368.71 = 7,933,171.38/x
  3. Step 3: Cross multiply
    18,030,812.82x = 27,049,368.71 × 7,933,171.38
  4. Step 4: Simplify right side
    18,030,812.82x = 214,587,277,697,239.53
  5. Step 5: Solve for x
    x = 214,587,277,697,239.53/18,030,812.82
  6. Step 6: Final answer
    x = 11,901,142.77

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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.