Home / 27,699,416.64-38,227,174.11-15,309,243.54

Finding the Fourth Proportional to 27,699,416.64, 38,227,174.11 and 15,309,243.54

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Solution

The fourth proportional to 27,699,416.64, 38,227,174.11 and 15,309,243.54 is: 21,127,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,416.64 : 38,227,174.11 = 15,309,243.54 : x
  2. Step 2: Convert to fraction form
    27,699,416.64/38,227,174.11 = 15,309,243.54/x
  3. Step 3: Cross multiply
    27,699,416.64x = 38,227,174.11 × 15,309,243.54
  4. Step 4: Simplify right side
    27,699,416.64x = 585,229,118,295,972.75
  5. Step 5: Solve for x
    x = 585,229,118,295,972.75/27,699,416.64
  6. Step 6: Final answer
    x = 21,127,849.94

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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.