Home / 13,040,892.40-19,561,338.60-8,505,929.20

Finding the Fourth Proportional to 13,040,892.40, 19,561,338.60 and 8,505,929.20

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Solution

The fourth proportional to 13,040,892.40, 19,561,338.60 and 8,505,929.20 is: 12,758,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,892.40 : 19,561,338.60 = 8,505,929.20 : x
  2. Step 2: Convert to fraction form
    13,040,892.40/19,561,338.60 = 8,505,929.20/x
  3. Step 3: Cross multiply
    13,040,892.40x = 19,561,338.60 × 8,505,929.20
  4. Step 4: Simplify right side
    13,040,892.40x = 166,387,361,188,827.12
  5. Step 5: Solve for x
    x = 166,387,361,188,827.12/13,040,892.40
  6. Step 6: Final answer
    x = 12,758,893.80

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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.