Home / 13,179,536.82-19,783,280.16-11,673,000

Finding the Fourth Proportional to 13,179,536.82, 19,783,280.16 and 11,673,000

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Solution

The fourth proportional to 13,179,536.82, 19,783,280.16 and 11,673,000 is: 17,521,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179,536.82 : 19,783,280.16 = 11,673,000 : x
  2. Step 2: Convert to fraction form
    13,179,536.82/19,783,280.16 = 11,673,000/x
  3. Step 3: Cross multiply
    13,179,536.82x = 19,783,280.16 × 11,673,000
  4. Step 4: Simplify right side
    13,179,536.82x = 230,930,229,307,680
  5. Step 5: Solve for x
    x = 230,930,229,307,680/13,179,536.82
  6. Step 6: Final answer
    x = 17,521,877.47

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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.