Home / 18,601,103.30-27,906,991.23-7,812,855.86

Finding the Fourth Proportional to 18,601,103.30, 27,906,991.23 and 7,812,855.86

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Solution

The fourth proportional to 18,601,103.30, 27,906,991.23 and 7,812,855.86 is: 11,721,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,103.30 : 27,906,991.23 = 7,812,855.86 : x
  2. Step 2: Convert to fraction form
    18,601,103.30/27,906,991.23 = 7,812,855.86/x
  3. Step 3: Cross multiply
    18,601,103.30x = 27,906,991.23 × 7,812,855.86
  4. Step 4: Simplify right side
    18,601,103.30x = 218,033,299,966,274.12
  5. Step 5: Solve for x
    x = 218,033,299,966,274.12/18,601,103.30
  6. Step 6: Final answer
    x = 11,721,525.14

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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.