Home / 8,189,286.36-11,304,838.89-5,290,090.62

Finding the Fourth Proportional to 8,189,286.36, 11,304,838.89 and 5,290,090.62

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Solution

The fourth proportional to 8,189,286.36, 11,304,838.89 and 5,290,090.62 is: 7,302,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,286.36 : 11,304,838.89 = 5,290,090.62 : x
  2. Step 2: Convert to fraction form
    8,189,286.36/11,304,838.89 = 5,290,090.62/x
  3. Step 3: Cross multiply
    8,189,286.36x = 11,304,838.89 × 5,290,090.62
  4. Step 4: Simplify right side
    8,189,286.36x = 59,803,622,172,600.22
  5. Step 5: Solve for x
    x = 59,803,622,172,600.22/8,189,286.36
  6. Step 6: Final answer
    x = 7,302,665.89

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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.