Home / 18,388,464.12-27,563,770.56-8,158,141.80

Finding the Fourth Proportional to 18,388,464.12, 27,563,770.56 and 8,158,141.80

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Solution

The fourth proportional to 18,388,464.12, 27,563,770.56 and 8,158,141.80 is: 12,228,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,464.12 : 27,563,770.56 = 8,158,141.80 : x
  2. Step 2: Convert to fraction form
    18,388,464.12/27,563,770.56 = 8,158,141.80/x
  3. Step 3: Cross multiply
    18,388,464.12x = 27,563,770.56 × 8,158,141.80
  4. Step 4: Simplify right side
    18,388,464.12x = 224,869,148,771,145.41
  5. Step 5: Solve for x
    x = 224,869,148,771,145.41/18,388,464.12
  6. Step 6: Final answer
    x = 12,228,816.25

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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.