Home / 13,512,787.20-20,259,552.53-6,320,400.30

Finding the Fourth Proportional to 13,512,787.20, 20,259,552.53 and 6,320,400.30

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Solution

The fourth proportional to 13,512,787.20, 20,259,552.53 and 6,320,400.30 is: 9,476,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,787.20 : 20,259,552.53 = 6,320,400.30 : x
  2. Step 2: Convert to fraction form
    13,512,787.20/20,259,552.53 = 6,320,400.30/x
  3. Step 3: Cross multiply
    13,512,787.20x = 20,259,552.53 × 6,320,400.30
  4. Step 4: Simplify right side
    13,512,787.20x = 128,048,481,904,278.75
  5. Step 5: Solve for x
    x = 128,048,481,904,278.75/13,512,787.20
  6. Step 6: Final answer
    x = 9,476,096.97

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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.