Home / 27,699,459.22-38,227,232.91-15,309,286.12

Finding the Fourth Proportional to 27,699,459.22, 38,227,232.91 and 15,309,286.12

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Solution

The fourth proportional to 27,699,459.22, 38,227,232.91 and 15,309,286.12 is: 21,127,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,459.22 : 38,227,232.91 = 15,309,286.12 : x
  2. Step 2: Convert to fraction form
    27,699,459.22/38,227,232.91 = 15,309,286.12/x
  3. Step 3: Cross multiply
    27,699,459.22x = 38,227,232.91 × 15,309,286.12
  4. Step 4: Simplify right side
    27,699,459.22x = 585,231,646,195,070.12
  5. Step 5: Solve for x
    x = 585,231,646,195,070.12/27,699,459.22
  6. Step 6: Final answer
    x = 21,127,908.73

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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.