Home / 8,321,262.80-12,481,894.20-6,809,608.40

Finding the Fourth Proportional to 8,321,262.80, 12,481,894.20 and 6,809,608.40

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Solution

The fourth proportional to 8,321,262.80, 12,481,894.20 and 6,809,608.40 is: 10,214,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,262.80 : 12,481,894.20 = 6,809,608.40 : x
  2. Step 2: Convert to fraction form
    8,321,262.80/12,481,894.20 = 6,809,608.40/x
  3. Step 3: Cross multiply
    8,321,262.80x = 12,481,894.20 × 6,809,608.40
  4. Step 4: Simplify right side
    8,321,262.80x = 84,996,811,592,231.28
  5. Step 5: Solve for x
    x = 84,996,811,592,231.28/8,321,262.80
  6. Step 6: Final answer
    x = 10,214,412.60

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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.