Home / 18,388,461.15-27,563,766.03-8,158,138.83

Finding the Fourth Proportional to 18,388,461.15, 27,563,766.03 and 8,158,138.83

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Solution

The fourth proportional to 18,388,461.15, 27,563,766.03 and 8,158,138.83 is: 12,228,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,461.15 : 27,563,766.03 = 8,158,138.83 : x
  2. Step 2: Convert to fraction form
    18,388,461.15/27,563,766.03 = 8,158,138.83/x
  3. Step 3: Cross multiply
    18,388,461.15x = 27,563,766.03 × 8,158,138.83
  4. Step 4: Simplify right side
    18,388,461.15x = 224,869,029,950,377.97
  5. Step 5: Solve for x
    x = 224,869,029,950,377.97/18,388,461.15
  6. Step 6: Final answer
    x = 12,228,811.76

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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.