Home / 18,429,555.60-27,667,078.20-11,606,115.60

Finding the Fourth Proportional to 18,429,555.60, 27,667,078.20 and 11,606,115.60

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Solution

The fourth proportional to 18,429,555.60, 27,667,078.20 and 11,606,115.60 is: 17,423,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,555.60 : 27,667,078.20 = 11,606,115.60 : x
  2. Step 2: Convert to fraction form
    18,429,555.60/27,667,078.20 = 11,606,115.60/x
  3. Step 3: Cross multiply
    18,429,555.60x = 27,667,078.20 × 11,606,115.60
  4. Step 4: Simplify right side
    18,429,555.60x = 321,107,307,903,439.88
  5. Step 5: Solve for x
    x = 321,107,307,903,439.88/18,429,555.60
  6. Step 6: Final answer
    x = 17,423,497.06

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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.