Home / 28,823,181.55-39,775,964.30-15,770,494.87

Finding the Fourth Proportional to 28,823,181.55, 39,775,964.30 and 15,770,494.87

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Solution

The fourth proportional to 28,823,181.55, 39,775,964.30 and 15,770,494.87 is: 21,763,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823,181.55 : 39,775,964.30 = 15,770,494.87 : x
  2. Step 2: Convert to fraction form
    28,823,181.55/39,775,964.30 = 15,770,494.87/x
  3. Step 3: Cross multiply
    28,823,181.55x = 39,775,964.30 × 15,770,494.87
  4. Step 4: Simplify right side
    28,823,181.55x = 627,286,640,863,600.62
  5. Step 5: Solve for x
    x = 627,286,640,863,600.62/28,823,181.55
  6. Step 6: Final answer
    x = 21,763,268.56

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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.