Home / 15,159,058.36-20,919,554.94-8,283,540.46

Finding the Fourth Proportional to 15,159,058.36, 20,919,554.94 and 8,283,540.46

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Solution

The fourth proportional to 15,159,058.36, 20,919,554.94 and 8,283,540.46 is: 11,431,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159,058.36 : 20,919,554.94 = 8,283,540.46 : x
  2. Step 2: Convert to fraction form
    15,159,058.36/20,919,554.94 = 8,283,540.46/x
  3. Step 3: Cross multiply
    15,159,058.36x = 20,919,554.94 × 8,283,540.46
  4. Step 4: Simplify right side
    15,159,058.36x = 173,287,979,750,682.88
  5. Step 5: Solve for x
    x = 173,287,979,750,682.88/15,159,058.36
  6. Step 6: Final answer
    x = 11,431,315.56

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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.