Home / 21,561,225.39-29,754,336.98-11,771,669.25

Finding the Fourth Proportional to 21,561,225.39, 29,754,336.98 and 11,771,669.25

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Solution

The fourth proportional to 21,561,225.39, 29,754,336.98 and 11,771,669.25 is: 16,244,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,225.39 : 29,754,336.98 = 11,771,669.25 : x
  2. Step 2: Convert to fraction form
    21,561,225.39/29,754,336.98 = 11,771,669.25/x
  3. Step 3: Cross multiply
    21,561,225.39x = 29,754,336.98 × 11,771,669.25
  4. Step 4: Simplify right side
    21,561,225.39x = 350,258,213,622,745.56
  5. Step 5: Solve for x
    x = 350,258,213,622,745.56/21,561,225.39
  6. Step 6: Final answer
    x = 16,244,819.45

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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.