Home / 8,206,082.66-12,298,120.35-6,386,644.46

Finding the Fourth Proportional to 8,206,082.66, 12,298,120.35 and 6,386,644.46

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Solution

The fourth proportional to 8,206,082.66, 12,298,120.35 and 6,386,644.46 is: 9,571,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,082.66 : 12,298,120.35 = 6,386,644.46 : x
  2. Step 2: Convert to fraction form
    8,206,082.66/12,298,120.35 = 6,386,644.46/x
  3. Step 3: Cross multiply
    8,206,082.66x = 12,298,120.35 × 6,386,644.46
  4. Step 4: Simplify right side
    8,206,082.66x = 78,543,722,208,536.14
  5. Step 5: Solve for x
    x = 78,543,722,208,536.14/8,206,082.66
  6. Step 6: Final answer
    x = 9,571,402.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.