Home / 21,323,993.76-29,396,502-15,201,793.44

Finding the Fourth Proportional to 21,323,993.76, 29,396,502 and 15,201,793.44

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Solution

The fourth proportional to 21,323,993.76, 29,396,502 and 15,201,793.44 is: 20,956,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,993.76 : 29,396,502 = 15,201,793.44 : x
  2. Step 2: Convert to fraction form
    21,323,993.76/29,396,502 = 15,201,793.44/x
  3. Step 3: Cross multiply
    21,323,993.76x = 29,396,502 × 15,201,793.44
  4. Step 4: Simplify right side
    21,323,993.76x = 446,879,551,262,546.88
  5. Step 5: Solve for x
    x = 446,879,551,262,546.88/21,323,993.76
  6. Step 6: Final answer
    x = 20,956,653.63

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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.