Home / 11,722,663.60-17,583,995.40-8,321,441.20

Finding the Fourth Proportional to 11,722,663.60, 17,583,995.40 and 8,321,441.20

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Solution

The fourth proportional to 11,722,663.60, 17,583,995.40 and 8,321,441.20 is: 12,482,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722,663.60 : 17,583,995.40 = 8,321,441.20 : x
  2. Step 2: Convert to fraction form
    11,722,663.60/17,583,995.40 = 8,321,441.20/x
  3. Step 3: Cross multiply
    11,722,663.60x = 17,583,995.40 × 8,321,441.20
  4. Step 4: Simplify right side
    11,722,663.60x = 146,324,183,782,170.47
  5. Step 5: Solve for x
    x = 146,324,183,782,170.47/11,722,663.60
  6. Step 6: Final answer
    x = 12,482,161.80

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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.