Home / 20,795,787.16-31,181,673.82-6,414,993.72

Finding the Fourth Proportional to 20,795,787.16, 31,181,673.82 and 6,414,993.72

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Solution

The fourth proportional to 20,795,787.16, 31,181,673.82 and 6,414,993.72 is: 9,618,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,787.16 : 31,181,673.82 = 6,414,993.72 : x
  2. Step 2: Convert to fraction form
    20,795,787.16/31,181,673.82 = 6,414,993.72/x
  3. Step 3: Cross multiply
    20,795,787.16x = 31,181,673.82 × 6,414,993.72
  4. Step 4: Simplify right side
    20,795,787.16x = 200,030,241,734,388.41
  5. Step 5: Solve for x
    x = 200,030,241,734,388.41/20,795,787.16
  6. Step 6: Final answer
    x = 9,618,786.74

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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.