Home / 12,108,163.61-18,162,312.31-3,010,261.21

Finding the Fourth Proportional to 12,108,163.61, 18,162,312.31 and 3,010,261.21

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Solution

The fourth proportional to 12,108,163.61, 18,162,312.31 and 3,010,261.21 is: 4,515,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,163.61 : 18,162,312.31 = 3,010,261.21 : x
  2. Step 2: Convert to fraction form
    12,108,163.61/18,162,312.31 = 3,010,261.21/x
  3. Step 3: Cross multiply
    12,108,163.61x = 18,162,312.31 × 3,010,261.21
  4. Step 4: Simplify right side
    12,108,163.61x = 54,673,304,230,698.49
  5. Step 5: Solve for x
    x = 54,673,304,230,698.49/12,108,163.61
  6. Step 6: Final answer
    x = 4,515,408.45

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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.