Home / 18,214,542.90-27,321,814.35-6,857,539.38

Finding the Fourth Proportional to 18,214,542.90, 27,321,814.35 and 6,857,539.38

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Solution

The fourth proportional to 18,214,542.90, 27,321,814.35 and 6,857,539.38 is: 10,286,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,542.90 : 27,321,814.35 = 6,857,539.38 : x
  2. Step 2: Convert to fraction form
    18,214,542.90/27,321,814.35 = 6,857,539.38/x
  3. Step 3: Cross multiply
    18,214,542.90x = 27,321,814.35 × 6,857,539.38
  4. Step 4: Simplify right side
    18,214,542.90x = 187,360,417,838,174.12
  5. Step 5: Solve for x
    x = 187,360,417,838,174.12/18,214,542.90
  6. Step 6: Final answer
    x = 10,286,309.07

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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.