Home / 8,191,816.40-12,287,724.60-2,511,302.60

Finding the Fourth Proportional to 8,191,816.40, 12,287,724.60 and 2,511,302.60

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Solution

The fourth proportional to 8,191,816.40, 12,287,724.60 and 2,511,302.60 is: 3,766,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,816.40 : 12,287,724.60 = 2,511,302.60 : x
  2. Step 2: Convert to fraction form
    8,191,816.40/12,287,724.60 = 2,511,302.60/x
  3. Step 3: Cross multiply
    8,191,816.40x = 12,287,724.60 × 2,511,302.60
  4. Step 4: Simplify right side
    8,191,816.40x = 30,858,194,736,063.96
  5. Step 5: Solve for x
    x = 30,858,194,736,063.96/8,191,816.40
  6. Step 6: Final answer
    x = 3,766,953.90

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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.