Home / 25,435,380.44-35,108,728.32-20,217,646.64

Finding the Fourth Proportional to 25,435,380.44, 35,108,728.32 and 20,217,646.64

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Solution

The fourth proportional to 25,435,380.44, 35,108,728.32 and 20,217,646.64 is: 27,906,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435,380.44 : 35,108,728.32 = 20,217,646.64 : x
  2. Step 2: Convert to fraction form
    25,435,380.44/35,108,728.32 = 20,217,646.64/x
  3. Step 3: Cross multiply
    25,435,380.44x = 35,108,728.32 × 20,217,646.64
  4. Step 4: Simplify right side
    25,435,380.44x = 709,815,863,153,520.88
  5. Step 5: Solve for x
    x = 709,815,863,153,520.88/25,435,380.44
  6. Step 6: Final answer
    x = 27,906,634.42

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1.5x scale

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.