Home / 18,576,044.70-27,864,067.05-7,209,112.20

Finding the Fourth Proportional to 18,576,044.70, 27,864,067.05 and 7,209,112.20

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Solution

The fourth proportional to 18,576,044.70, 27,864,067.05 and 7,209,112.20 is: 10,813,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,044.70 : 27,864,067.05 = 7,209,112.20 : x
  2. Step 2: Convert to fraction form
    18,576,044.70/27,864,067.05 = 7,209,112.20/x
  3. Step 3: Cross multiply
    18,576,044.70x = 27,864,067.05 × 7,209,112.20
  4. Step 4: Simplify right side
    18,576,044.70x = 200,875,185,711,773.03
  5. Step 5: Solve for x
    x = 200,875,185,711,773.03/18,576,044.70
  6. Step 6: Final answer
    x = 10,813,668.30

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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.