Home / 8,191,814.40-12,287,721.60-2,511,300.60

Finding the Fourth Proportional to 8,191,814.40, 12,287,721.60 and 2,511,300.60

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Solution

The fourth proportional to 8,191,814.40, 12,287,721.60 and 2,511,300.60 is: 3,766,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,814.40 : 12,287,721.60 = 2,511,300.60 : x
  2. Step 2: Convert to fraction form
    8,191,814.40/12,287,721.60 = 2,511,300.60/x
  3. Step 3: Cross multiply
    8,191,814.40x = 12,287,721.60 × 2,511,300.60
  4. Step 4: Simplify right side
    8,191,814.40x = 30,858,162,626,712.96
  5. Step 5: Solve for x
    x = 30,858,162,626,712.96/8,191,814.40
  6. Step 6: Final answer
    x = 3,766,950.90

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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.