Home / 15,769,273.39-21,761,556.64-8,799,876.66

Finding the Fourth Proportional to 15,769,273.39, 21,761,556.64 and 8,799,876.66

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Solution

The fourth proportional to 15,769,273.39, 21,761,556.64 and 8,799,876.66 is: 12,143,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,273.39 : 21,761,556.64 = 8,799,876.66 : x
  2. Step 2: Convert to fraction form
    15,769,273.39/21,761,556.64 = 8,799,876.66/x
  3. Step 3: Cross multiply
    15,769,273.39x = 21,761,556.64 × 8,799,876.66
  4. Step 4: Simplify right side
    15,769,273.39x = 191,499,014,361,604.03
  5. Step 5: Solve for x
    x = 191,499,014,361,604.03/15,769,273.39
  6. Step 6: Final answer
    x = 12,143,807.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.