Home / 10,931,441.20-16,407,076.20-5,543,839.60

Finding the Fourth Proportional to 10,931,441.20, 16,407,076.20 and 5,543,839.60

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Solution

The fourth proportional to 10,931,441.20, 16,407,076.20 and 5,543,839.60 is: 8,320,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,441.20 : 16,407,076.20 = 5,543,839.60 : x
  2. Step 2: Convert to fraction form
    10,931,441.20/16,407,076.20 = 5,543,839.60/x
  3. Step 3: Cross multiply
    10,931,441.20x = 16,407,076.20 × 5,543,839.60
  4. Step 4: Simplify right side
    10,931,441.20x = 90,958,198,757,777.52
  5. Step 5: Solve for x
    x = 90,958,198,757,777.52/10,931,441.20
  6. Step 6: Final answer
    x = 8,320,787.45

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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.