Home / 21,561,224.89-29,754,336.29-11,771,668.76

Finding the Fourth Proportional to 21,561,224.89, 29,754,336.29 and 11,771,668.76

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Solution

The fourth proportional to 21,561,224.89, 29,754,336.29 and 11,771,668.76 is: 16,244,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,224.89 : 29,754,336.29 = 11,771,668.76 : x
  2. Step 2: Convert to fraction form
    21,561,224.89/29,754,336.29 = 11,771,668.76/x
  3. Step 3: Cross multiply
    21,561,224.89x = 29,754,336.29 × 11,771,668.76
  4. Step 4: Simplify right side
    21,561,224.89x = 350,258,190,979,527.31
  5. Step 5: Solve for x
    x = 350,258,190,979,527.31/21,561,224.89
  6. Step 6: Final answer
    x = 16,244,818.78

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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.