Home / 8,902,286.20-13,353,429.30-8,078,552.65

Finding the Fourth Proportional to 8,902,286.20, 13,353,429.30 and 8,078,552.65

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Solution

The fourth proportional to 8,902,286.20, 13,353,429.30 and 8,078,552.65 is: 12,117,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,286.20 : 13,353,429.30 = 8,078,552.65 : x
  2. Step 2: Convert to fraction form
    8,902,286.20/13,353,429.30 = 8,078,552.65/x
  3. Step 3: Cross multiply
    8,902,286.20x = 13,353,429.30 × 8,078,552.65
  4. Step 4: Simplify right side
    8,902,286.20x = 107,876,381,658,102.66
  5. Step 5: Solve for x
    x = 107,876,381,658,102.66/8,902,286.20
  6. Step 6: Final answer
    x = 12,117,828.98

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Similar ratio
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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.