Home / 21,454,588.80-32,194,324.80-7,992,777.60

Finding the Fourth Proportional to 21,454,588.80, 32,194,324.80 and 7,992,777.60

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Solution

The fourth proportional to 21,454,588.80, 32,194,324.80 and 7,992,777.60 is: 11,993,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,588.80 : 32,194,324.80 = 7,992,777.60 : x
  2. Step 2: Convert to fraction form
    21,454,588.80/32,194,324.80 = 7,992,777.60/x
  3. Step 3: Cross multiply
    21,454,588.80x = 32,194,324.80 × 7,992,777.60
  4. Step 4: Simplify right side
    21,454,588.80x = 257,322,078,108,564.47
  5. Step 5: Solve for x
    x = 257,322,078,108,564.47/21,454,588.80
  6. Step 6: Final answer
    x = 11,993,801.44

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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.