Home / 15,040,326.96-20,755,903.59-8,164,809

Finding the Fourth Proportional to 15,040,326.96, 20,755,903.59 and 8,164,809

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Solution

The fourth proportional to 15,040,326.96, 20,755,903.59 and 8,164,809 is: 11,267,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,326.96 : 20,755,903.59 = 8,164,809 : x
  2. Step 2: Convert to fraction form
    15,040,326.96/20,755,903.59 = 8,164,809/x
  3. Step 3: Cross multiply
    15,040,326.96x = 20,755,903.59 × 8,164,809
  4. Step 4: Simplify right side
    15,040,326.96x = 169,467,988,434,764.31
  5. Step 5: Solve for x
    x = 169,467,988,434,764.31/15,040,326.96
  6. Step 6: Final answer
    x = 11,267,573.43

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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.