Home / 18,128,295.56-27,193,346.92-5,176,367.22

Finding the Fourth Proportional to 18,128,295.56, 27,193,346.92 and 5,176,367.22

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Solution

The fourth proportional to 18,128,295.56, 27,193,346.92 and 5,176,367.22 is: 7,764,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,295.56 : 27,193,346.92 = 5,176,367.22 : x
  2. Step 2: Convert to fraction form
    18,128,295.56/27,193,346.92 = 5,176,367.22/x
  3. Step 3: Cross multiply
    18,128,295.56x = 27,193,346.92 × 5,176,367.22
  4. Step 4: Simplify right side
    18,128,295.56x = 140,762,749,598,775.97
  5. Step 5: Solve for x
    x = 140,762,749,598,775.97/18,128,295.56
  6. Step 6: Final answer
    x = 7,764,808.84

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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.