Home / 12,463,161.52-18,692,872.08-3,942,390.64

Finding the Fourth Proportional to 12,463,161.52, 18,692,872.08 and 3,942,390.64

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Solution

The fourth proportional to 12,463,161.52, 18,692,872.08 and 3,942,390.64 is: 5,912,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,161.52 : 18,692,872.08 = 3,942,390.64 : x
  2. Step 2: Convert to fraction form
    12,463,161.52/18,692,872.08 = 3,942,390.64/x
  3. Step 3: Cross multiply
    12,463,161.52x = 18,692,872.08 × 3,942,390.64
  4. Step 4: Simplify right side
    12,463,161.52x = 73,694,603,922,909.33
  5. Step 5: Solve for x
    x = 73,694,603,922,909.33/12,463,161.52
  6. Step 6: Final answer
    x = 5,912,994.37

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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.