Home / 12,204,008.20-18,285,017.10-7,941,982.60

Finding the Fourth Proportional to 12,204,008.20, 18,285,017.10 and 7,941,982.60

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Solution

The fourth proportional to 12,204,008.20, 18,285,017.10 and 7,941,982.60 is: 11,899,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,008.20 : 18,285,017.10 = 7,941,982.60 : x
  2. Step 2: Convert to fraction form
    12,204,008.20/18,285,017.10 = 7,941,982.60/x
  3. Step 3: Cross multiply
    12,204,008.20x = 18,285,017.10 × 7,941,982.60
  4. Step 4: Simplify right side
    12,204,008.20x = 145,219,287,648,902.47
  5. Step 5: Solve for x
    x = 145,219,287,648,902.47/12,204,008.20
  6. Step 6: Final answer
    x = 11,899,310.89

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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.