Home / 19,952,408.89-29,914,249.41-12,260,160.45

Finding the Fourth Proportional to 19,952,408.89, 29,914,249.41 and 12,260,160.45

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Solution

The fourth proportional to 19,952,408.89, 29,914,249.41 and 12,260,160.45 is: 18,381,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952,408.89 : 29,914,249.41 = 12,260,160.45 : x
  2. Step 2: Convert to fraction form
    19,952,408.89/29,914,249.41 = 12,260,160.45/x
  3. Step 3: Cross multiply
    19,952,408.89x = 29,914,249.41 × 12,260,160.45
  4. Step 4: Simplify right side
    19,952,408.89x = 366,753,497,507,917.81
  5. Step 5: Solve for x
    x = 366,753,497,507,917.81/19,952,408.89
  6. Step 6: Final answer
    x = 18,381,414.47

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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.