Home / 18,125,836.03-27,188,016.63-4,478,638.69

Finding the Fourth Proportional to 18,125,836.03, 27,188,016.63 and 4,478,638.69

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Solution

The fourth proportional to 18,125,836.03, 27,188,016.63 and 4,478,638.69 is: 6,717,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,836.03 : 27,188,016.63 = 4,478,638.69 : x
  2. Step 2: Convert to fraction form
    18,125,836.03/27,188,016.63 = 4,478,638.69/x
  3. Step 3: Cross multiply
    18,125,836.03x = 27,188,016.63 × 4,478,638.69
  4. Step 4: Simplify right side
    18,125,836.03x = 121,765,303,183,481.42
  5. Step 5: Solve for x
    x = 121,765,303,183,481.42/18,125,836.03
  6. Step 6: Final answer
    x = 6,717,775.83

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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.