Home / 12,190,508.06-18,286,757.17-6,122,118.87

Finding the Fourth Proportional to 12,190,508.06, 18,286,757.17 and 6,122,118.87

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Solution

The fourth proportional to 12,190,508.06, 18,286,757.17 and 6,122,118.87 is: 9,183,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,508.06 : 18,286,757.17 = 6,122,118.87 : x
  2. Step 2: Convert to fraction form
    12,190,508.06/18,286,757.17 = 6,122,118.87/x
  3. Step 3: Cross multiply
    12,190,508.06x = 18,286,757.17 × 6,122,118.87
  4. Step 4: Simplify right side
    12,190,508.06x = 111,953,701,126,259.50
  5. Step 5: Solve for x
    x = 111,953,701,126,259.50/12,190,508.06
  6. Step 6: Final answer
    x = 9,183,678.04

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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.