Home / 21,040,544.70-31,561,801.20-6,664,737.60

Finding the Fourth Proportional to 21,040,544.70, 31,561,801.20 and 6,664,737.60

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Solution

The fourth proportional to 21,040,544.70, 31,561,801.20 and 6,664,737.60 is: 9,997,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040,544.70 : 31,561,801.20 = 6,664,737.60 : x
  2. Step 2: Convert to fraction form
    21,040,544.70/31,561,801.20 = 6,664,737.60/x
  3. Step 3: Cross multiply
    21,040,544.70x = 31,561,801.20 × 6,664,737.60
  4. Step 4: Simplify right side
    21,040,544.70x = 210,351,123,181,365.09
  5. Step 5: Solve for x
    x = 210,351,123,181,365.09/21,040,544.70
  6. Step 6: Final answer
    x = 9,997,418.14

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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.