Home / 18,123,860.64-27,181,636.65-5,169,764.73

Finding the Fourth Proportional to 18,123,860.64, 27,181,636.65 and 5,169,764.73

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Solution

The fourth proportional to 18,123,860.64, 27,181,636.65 and 5,169,764.73 is: 7,753,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,860.64 : 27,181,636.65 = 5,169,764.73 : x
  2. Step 2: Convert to fraction form
    18,123,860.64/27,181,636.65 = 5,169,764.73/x
  3. Step 3: Cross multiply
    18,123,860.64x = 27,181,636.65 × 5,169,764.73
  4. Step 4: Simplify right side
    18,123,860.64x = 140,522,666,456,845.36
  5. Step 5: Solve for x
    x = 140,522,666,456,845.36/18,123,860.64
  6. Step 6: Final answer
    x = 7,753,462.09

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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.