Home / 14,042,351.80-21,028,098.30-11,207,999.80

Finding the Fourth Proportional to 14,042,351.80, 21,028,098.30 and 11,207,999.80

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Solution

The fourth proportional to 14,042,351.80, 21,028,098.30 and 11,207,999.80 is: 16,783,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,351.80 : 21,028,098.30 = 11,207,999.80 : x
  2. Step 2: Convert to fraction form
    14,042,351.80/21,028,098.30 = 11,207,999.80/x
  3. Step 3: Cross multiply
    14,042,351.80x = 21,028,098.30 × 11,207,999.80
  4. Step 4: Simplify right side
    14,042,351.80x = 235,682,921,540,780.38
  5. Step 5: Solve for x
    x = 235,682,921,540,780.38/14,042,351.80
  6. Step 6: Final answer
    x = 16,783,721.48

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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.