Home / 21,541,680.27-29,727,615.20-11,752,094.79

Finding the Fourth Proportional to 21,541,680.27, 29,727,615.20 and 11,752,094.79

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Solution

The fourth proportional to 21,541,680.27, 29,727,615.20 and 11,752,094.79 is: 16,217,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,680.27 : 29,727,615.20 = 11,752,094.79 : x
  2. Step 2: Convert to fraction form
    21,541,680.27/29,727,615.20 = 11,752,094.79/x
  3. Step 3: Cross multiply
    21,541,680.27x = 29,727,615.20 × 11,752,094.79
  4. Step 4: Simplify right side
    21,541,680.27x = 349,361,751,652,284.31
  5. Step 5: Solve for x
    x = 349,361,751,652,284.31/21,541,680.27
  6. Step 6: Final answer
    x = 16,217,943.41

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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.