Home / 18,140,474.42-27,146,800.80-11,320,256.60

Finding the Fourth Proportional to 18,140,474.42, 27,146,800.80 and 11,320,256.60

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Solution

The fourth proportional to 18,140,474.42, 27,146,800.80 and 11,320,256.60 is: 16,940,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,474.42 : 27,146,800.80 = 11,320,256.60 : x
  2. Step 2: Convert to fraction form
    18,140,474.42/27,146,800.80 = 11,320,256.60/x
  3. Step 3: Cross multiply
    18,140,474.42x = 27,146,800.80 × 11,320,256.60
  4. Step 4: Simplify right side
    18,140,474.42x = 307,308,750,789,351.31
  5. Step 5: Solve for x
    x = 307,308,750,789,351.31/18,140,474.42
  6. Step 6: Final answer
    x = 16,940,502.42

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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.