Home / 8,320,172.20-12,481,424.70-3,270,308.20

Finding the Fourth Proportional to 8,320,172.20, 12,481,424.70 and 3,270,308.20

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Solution

The fourth proportional to 8,320,172.20, 12,481,424.70 and 3,270,308.20 is: 4,905,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,172.20 : 12,481,424.70 = 3,270,308.20 : x
  2. Step 2: Convert to fraction form
    8,320,172.20/12,481,424.70 = 3,270,308.20/x
  3. Step 3: Cross multiply
    8,320,172.20x = 12,481,424.70 × 3,270,308.20
  4. Step 4: Simplify right side
    8,320,172.20x = 40,818,105,544,092.54
  5. Step 5: Solve for x
    x = 40,818,105,544,092.54/8,320,172.20
  6. Step 6: Final answer
    x = 4,905,920.76

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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.