Home / 20,177,111.72-27,845,086.02-11,010,257.48

Finding the Fourth Proportional to 20,177,111.72, 27,845,086.02 and 11,010,257.48

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Solution

The fourth proportional to 20,177,111.72, 27,845,086.02 and 11,010,257.48 is: 15,194,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,111.72 : 27,845,086.02 = 11,010,257.48 : x
  2. Step 2: Convert to fraction form
    20,177,111.72/27,845,086.02 = 11,010,257.48/x
  3. Step 3: Cross multiply
    20,177,111.72x = 27,845,086.02 × 11,010,257.48
  4. Step 4: Simplify right side
    20,177,111.72x = 306,581,566,632,948.44
  5. Step 5: Solve for x
    x = 306,581,566,632,948.44/20,177,111.72
  6. Step 6: Final answer
    x = 15,194,521.94

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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.