Home / 18,123,945.32-27,185,918.52-17,015,398.76

Finding the Fourth Proportional to 18,123,945.32, 27,185,918.52 and 17,015,398.76

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Solution

The fourth proportional to 18,123,945.32, 27,185,918.52 and 17,015,398.76 is: 25,523,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,945.32 : 27,185,918.52 = 17,015,398.76 : x
  2. Step 2: Convert to fraction form
    18,123,945.32/27,185,918.52 = 17,015,398.76/x
  3. Step 3: Cross multiply
    18,123,945.32x = 27,185,918.52 × 17,015,398.76
  4. Step 4: Simplify right side
    18,123,945.32x = 462,579,244,274,669.06
  5. Step 5: Solve for x
    x = 462,579,244,274,669.06/18,123,945.32
  6. Step 6: Final answer
    x = 25,523,098.65

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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.