Home / 10,926,076.20-16,399,028.70-5,538,474.60

Finding the Fourth Proportional to 10,926,076.20, 16,399,028.70 and 5,538,474.60

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Solution

The fourth proportional to 10,926,076.20, 16,399,028.70 and 5,538,474.60 is: 8,312,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,076.20 : 16,399,028.70 = 5,538,474.60 : x
  2. Step 2: Convert to fraction form
    10,926,076.20/16,399,028.70 = 5,538,474.60/x
  3. Step 3: Cross multiply
    10,926,076.20x = 16,399,028.70 × 5,538,474.60
  4. Step 4: Simplify right side
    10,926,076.20x = 90,825,603,919,621.02
  5. Step 5: Solve for x
    x = 90,825,603,919,621.02/10,926,076.20
  6. Step 6: Final answer
    x = 8,312,737.55

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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.