Home / 11,231,417.12-16,848,988.13-3,942,985.21

Finding the Fourth Proportional to 11,231,417.12, 16,848,988.13 and 3,942,985.21

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Solution

The fourth proportional to 11,231,417.12, 16,848,988.13 and 3,942,985.21 is: 5,915,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231,417.12 : 16,848,988.13 = 3,942,985.21 : x
  2. Step 2: Convert to fraction form
    11,231,417.12/16,848,988.13 = 3,942,985.21/x
  3. Step 3: Cross multiply
    11,231,417.12x = 16,848,988.13 × 3,942,985.21
  4. Step 4: Simplify right side
    11,231,417.12x = 66,435,310,967,790.55
  5. Step 5: Solve for x
    x = 66,435,310,967,790.55/11,231,417.12
  6. Step 6: Final answer
    x = 5,915,131.66

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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.