Home / 11,726,421.20-17,589,631.80-8,892,069.20

Finding the Fourth Proportional to 11,726,421.20, 17,589,631.80 and 8,892,069.20

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Solution

The fourth proportional to 11,726,421.20, 17,589,631.80 and 8,892,069.20 is: 13,338,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726,421.20 : 17,589,631.80 = 8,892,069.20 : x
  2. Step 2: Convert to fraction form
    11,726,421.20/17,589,631.80 = 8,892,069.20/x
  3. Step 3: Cross multiply
    11,726,421.20x = 17,589,631.80 × 8,892,069.20
  4. Step 4: Simplify right side
    11,726,421.20x = 156,408,223,168,120.56
  5. Step 5: Solve for x
    x = 156,408,223,168,120.56/11,726,421.20
  6. Step 6: Final answer
    x = 13,338,103.80

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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.