Home / 37,512,724.62-51,770,340.27-20,994,504.78

Finding the Fourth Proportional to 37,512,724.62, 51,770,340.27 and 20,994,504.78

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Solution

The fourth proportional to 37,512,724.62, 51,770,340.27 and 20,994,504.78 is: 28,973,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512,724.62 : 51,770,340.27 = 20,994,504.78 : x
  2. Step 2: Convert to fraction form
    37,512,724.62/51,770,340.27 = 20,994,504.78/x
  3. Step 3: Cross multiply
    37,512,724.62x = 51,770,340.27 × 20,994,504.78
  4. Step 4: Simplify right side
    37,512,724.62x = 1,086,892,656,260,741.62
  5. Step 5: Solve for x
    x = 1,086,892,656,260,741.62/37,512,724.62
  6. Step 6: Final answer
    x = 28,973,972.63

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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.