Home / 19,691,845.31-29,522,470.20-12,760,682.81

Finding the Fourth Proportional to 19,691,845.31, 29,522,470.20 and 12,760,682.81

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Solution

The fourth proportional to 19,691,845.31, 29,522,470.20 and 12,760,682.81 is: 19,131,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,845.31 : 29,522,470.20 = 12,760,682.81 : x
  2. Step 2: Convert to fraction form
    19,691,845.31/29,522,470.20 = 12,760,682.81/x
  3. Step 3: Cross multiply
    19,691,845.31x = 29,522,470.20 × 12,760,682.81
  4. Step 4: Simplify right side
    19,691,845.31x = 376,726,877,842,264.88
  5. Step 5: Solve for x
    x = 376,726,877,842,264.88/19,691,845.31
  6. Step 6: Final answer
    x = 19,131,110.98

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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.