Home / 15,194,293.56-20,968,115.46-8,318,773.80

Finding the Fourth Proportional to 15,194,293.56, 20,968,115.46 and 8,318,773.80

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Solution

The fourth proportional to 15,194,293.56, 20,968,115.46 and 8,318,773.80 is: 11,479,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,293.56 : 20,968,115.46 = 8,318,773.80 : x
  2. Step 2: Convert to fraction form
    15,194,293.56/20,968,115.46 = 8,318,773.80/x
  3. Step 3: Cross multiply
    15,194,293.56x = 20,968,115.46 × 8,318,773.80
  4. Step 4: Simplify right side
    15,194,293.56x = 174,429,009,524,022.94
  5. Step 5: Solve for x
    x = 174,429,009,524,022.94/15,194,293.56
  6. Step 6: Final answer
    x = 11,479,902.56

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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.