Home / 8,665,876.20-11,955,203.94-5,226,161.64

Finding the Fourth Proportional to 8,665,876.20, 11,955,203.94 and 5,226,161.64

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Solution

The fourth proportional to 8,665,876.20, 11,955,203.94 and 5,226,161.64 is: 7,209,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,876.20 : 11,955,203.94 = 5,226,161.64 : x
  2. Step 2: Convert to fraction form
    8,665,876.20/11,955,203.94 = 5,226,161.64/x
  3. Step 3: Cross multiply
    8,665,876.20x = 11,955,203.94 × 5,226,161.64
  4. Step 4: Simplify right side
    8,665,876.20x = 62,479,828,229,604.85
  5. Step 5: Solve for x
    x = 62,479,828,229,604.85/8,665,876.20
  6. Step 6: Final answer
    x = 7,209,868.55

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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.