Home / 14,233,840.40-21,321,730.20-8,825,891.60

Finding the Fourth Proportional to 14,233,840.40, 21,321,730.20 and 8,825,891.60

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Solution

The fourth proportional to 14,233,840.40, 21,321,730.20 and 8,825,891.60 is: 13,220,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233,840.40 : 21,321,730.20 = 8,825,891.60 : x
  2. Step 2: Convert to fraction form
    14,233,840.40/21,321,730.20 = 8,825,891.60/x
  3. Step 3: Cross multiply
    14,233,840.40x = 21,321,730.20 × 8,825,891.60
  4. Step 4: Simplify right side
    14,233,840.40x = 188,183,279,469,646.31
  5. Step 5: Solve for x
    x = 188,183,279,469,646.31/14,233,840.40
  6. Step 6: Final answer
    x = 13,220,836.69

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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.