Home / 28,067,425.80-42,101,138.70-15,932,200.20

Finding the Fourth Proportional to 28,067,425.80, 42,101,138.70 and 15,932,200.20

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Solution

The fourth proportional to 28,067,425.80, 42,101,138.70 and 15,932,200.20 is: 23,898,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,425.80 : 42,101,138.70 = 15,932,200.20 : x
  2. Step 2: Convert to fraction form
    28,067,425.80/42,101,138.70 = 15,932,200.20/x
  3. Step 3: Cross multiply
    28,067,425.80x = 42,101,138.70 × 15,932,200.20
  4. Step 4: Simplify right side
    28,067,425.80x = 670,763,770,416,367.75
  5. Step 5: Solve for x
    x = 670,763,770,416,367.75/28,067,425.80
  6. Step 6: Final answer
    x = 23,898,300.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.