Home / 13,712,573.99-18,922,942.48-7,517,408.97

Finding the Fourth Proportional to 13,712,573.99, 18,922,942.48 and 7,517,408.97

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Solution

The fourth proportional to 13,712,573.99, 18,922,942.48 and 7,517,408.97 is: 10,373,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,573.99 : 18,922,942.48 = 7,517,408.97 : x
  2. Step 2: Convert to fraction form
    13,712,573.99/18,922,942.48 = 7,517,408.97/x
  3. Step 3: Cross multiply
    13,712,573.99x = 18,922,942.48 × 7,517,408.97
  4. Step 4: Simplify right side
    13,712,573.99x = 142,251,497,494,360.94
  5. Step 5: Solve for x
    x = 142,251,497,494,360.94/13,712,573.99
  6. Step 6: Final answer
    x = 10,373,799.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.