Home / 18,306,003.80-27,427,512.90-11,912,965.40

Finding the Fourth Proportional to 18,306,003.80, 27,427,512.90 and 11,912,965.40

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Solution

The fourth proportional to 18,306,003.80, 27,427,512.90 and 11,912,965.40 is: 17,848,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,003.80 : 27,427,512.90 = 11,912,965.40 : x
  2. Step 2: Convert to fraction form
    18,306,003.80/27,427,512.90 = 11,912,965.40/x
  3. Step 3: Cross multiply
    18,306,003.80x = 27,427,512.90 × 11,912,965.40
  4. Step 4: Simplify right side
    18,306,003.80x = 326,743,012,185,753.62
  5. Step 5: Solve for x
    x = 326,743,012,185,753.62/18,306,003.80
  6. Step 6: Final answer
    x = 17,848,953.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.