Home / 12,538,542.75-18,813,757.77-6,057,985.38

Finding the Fourth Proportional to 12,538,542.75, 18,813,757.77 and 6,057,985.38

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Solution

The fourth proportional to 12,538,542.75, 18,813,757.77 and 6,057,985.38 is: 9,089,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,542.75 : 18,813,757.77 = 6,057,985.38 : x
  2. Step 2: Convert to fraction form
    12,538,542.75/18,813,757.77 = 6,057,985.38/x
  3. Step 3: Cross multiply
    12,538,542.75x = 18,813,757.77 × 6,057,985.38
  4. Step 4: Simplify right side
    12,538,542.75x = 113,973,469,513,521.39
  5. Step 5: Solve for x
    x = 113,973,469,513,521.39/12,538,542.75
  6. Step 6: Final answer
    x = 9,089,849.74

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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.