Home / 20,190,794.32-27,863,151.96-11,023,436.80

Finding the Fourth Proportional to 20,190,794.32, 27,863,151.96 and 11,023,436.80

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Solution

The fourth proportional to 20,190,794.32, 27,863,151.96 and 11,023,436.80 is: 15,212,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,794.32 : 27,863,151.96 = 11,023,436.80 : x
  2. Step 2: Convert to fraction form
    20,190,794.32/27,863,151.96 = 11,023,436.80/x
  3. Step 3: Cross multiply
    20,190,794.32x = 27,863,151.96 × 11,023,436.80
  4. Step 4: Simplify right side
    20,190,794.32x = 307,147,694,679,856.19
  5. Step 5: Solve for x
    x = 307,147,694,679,856.19/20,190,794.32
  6. Step 6: Final answer
    x = 15,212,264.06

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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.