Home / 20,100,690.45-27,737,823.87-11,279,319.03

Finding the Fourth Proportional to 20,100,690.45, 27,737,823.87 and 11,279,319.03

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Solution

The fourth proportional to 20,100,690.45, 27,737,823.87 and 11,279,319.03 is: 15,564,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,690.45 : 27,737,823.87 = 11,279,319.03 : x
  2. Step 2: Convert to fraction form
    20,100,690.45/27,737,823.87 = 11,279,319.03/x
  3. Step 3: Cross multiply
    20,100,690.45x = 27,737,823.87 × 11,279,319.03
  4. Step 4: Simplify right side
    20,100,690.45x = 312,863,764,627,679.25
  5. Step 5: Solve for x
    x = 312,863,764,627,679.25/20,100,690.45
  6. Step 6: Final answer
    x = 15,564,826.76

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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.