Home / 18,378,566.28-27,567,842.94-4,915,044.36

Finding the Fourth Proportional to 18,378,566.28, 27,567,842.94 and 4,915,044.36

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Solution

The fourth proportional to 18,378,566.28, 27,567,842.94 and 4,915,044.36 is: 7,372,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,566.28 : 27,567,842.94 = 4,915,044.36 : x
  2. Step 2: Convert to fraction form
    18,378,566.28/27,567,842.94 = 4,915,044.36/x
  3. Step 3: Cross multiply
    18,378,566.28x = 27,567,842.94 × 4,915,044.36
  4. Step 4: Simplify right side
    18,378,566.28x = 135,497,170,959,612.83
  5. Step 5: Solve for x
    x = 135,497,170,959,612.83/18,378,566.28
  6. Step 6: Final answer
    x = 7,372,564.81

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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.