Home / 15,135,163.34-20,886,519.92-8,259,645.40

Finding the Fourth Proportional to 15,135,163.34, 20,886,519.92 and 8,259,645.40

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Solution

The fourth proportional to 15,135,163.34, 20,886,519.92 and 8,259,645.40 is: 11,398,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,163.34 : 20,886,519.92 = 8,259,645.40 : x
  2. Step 2: Convert to fraction form
    15,135,163.34/20,886,519.92 = 8,259,645.40/x
  3. Step 3: Cross multiply
    15,135,163.34x = 20,886,519.92 × 8,259,645.40
  4. Step 4: Simplify right side
    15,135,163.34x = 172,515,248,179,236.38
  5. Step 5: Solve for x
    x = 172,515,248,179,236.38/15,135,163.34
  6. Step 6: Final answer
    x = 11,398,307.66

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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.