Home / 18,388,466.12-27,563,773.56-8,158,143.80

Finding the Fourth Proportional to 18,388,466.12, 27,563,773.56 and 8,158,143.80

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Solution

The fourth proportional to 18,388,466.12, 27,563,773.56 and 8,158,143.80 is: 12,228,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,466.12 : 27,563,773.56 = 8,158,143.80 : x
  2. Step 2: Convert to fraction form
    18,388,466.12/27,563,773.56 = 8,158,143.80/x
  3. Step 3: Cross multiply
    18,388,466.12x = 27,563,773.56 × 8,158,143.80
  4. Step 4: Simplify right side
    18,388,466.12x = 224,869,228,373,117.91
  5. Step 5: Solve for x
    x = 224,869,228,373,117.91/18,388,466.12
  6. Step 6: Final answer
    x = 12,228,819.24

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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.