Home / 27,662,142.11-38,177,103.52-15,743,853.45

Finding the Fourth Proportional to 27,662,142.11, 38,177,103.52 and 15,743,853.45

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Solution

The fourth proportional to 27,662,142.11, 38,177,103.52 and 15,743,853.45 is: 21,728,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662,142.11 : 38,177,103.52 = 15,743,853.45 : x
  2. Step 2: Convert to fraction form
    27,662,142.11/38,177,103.52 = 15,743,853.45/x
  3. Step 3: Cross multiply
    27,662,142.11x = 38,177,103.52 × 15,743,853.45
  4. Step 4: Simplify right side
    27,662,142.11x = 601,054,722,912,456.88
  5. Step 5: Solve for x
    x = 601,054,722,912,456.88/27,662,142.11
  6. Step 6: Final answer
    x = 21,728,422.93

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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.