Home / 27,699,456.60-38,227,229.16-15,309,283.53

Finding the Fourth Proportional to 27,699,456.60, 38,227,229.16 and 15,309,283.53

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Solution

The fourth proportional to 27,699,456.60, 38,227,229.16 and 15,309,283.53 is: 21,127,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,456.60 : 38,227,229.16 = 15,309,283.53 : x
  2. Step 2: Convert to fraction form
    27,699,456.60/38,227,229.16 = 15,309,283.53/x
  3. Step 3: Cross multiply
    27,699,456.60x = 38,227,229.16 × 15,309,283.53
  4. Step 4: Simplify right side
    27,699,456.60x = 585,231,489,776,723.62
  5. Step 5: Solve for x
    x = 585,231,489,776,723.62/27,699,456.60
  6. Step 6: Final answer
    x = 21,127,905.08

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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.