Home / 8,855,082.56-12,215,838.80-5,181,745.76

Finding the Fourth Proportional to 8,855,082.56, 12,215,838.80 and 5,181,745.76

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Solution

The fourth proportional to 8,855,082.56, 12,215,838.80 and 5,181,745.76 is: 7,148,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,082.56 : 12,215,838.80 = 5,181,745.76 : x
  2. Step 2: Convert to fraction form
    8,855,082.56/12,215,838.80 = 5,181,745.76/x
  3. Step 3: Cross multiply
    8,855,082.56x = 12,215,838.80 × 5,181,745.76
  4. Step 4: Simplify right side
    8,855,082.56x = 63,299,370,819,755.56
  5. Step 5: Solve for x
    x = 63,299,370,819,755.56/8,855,082.56
  6. Step 6: Final answer
    x = 7,148,365.97

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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.