Home / 18,561,636.70-27,842,455.05-18,309,694.30

Finding the Fourth Proportional to 18,561,636.70, 27,842,455.05 and 18,309,694.30

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Solution

The fourth proportional to 18,561,636.70, 27,842,455.05 and 18,309,694.30 is: 27,464,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,636.70 : 27,842,455.05 = 18,309,694.30 : x
  2. Step 2: Convert to fraction form
    18,561,636.70/27,842,455.05 = 18,309,694.30/x
  3. Step 3: Cross multiply
    18,561,636.70x = 27,842,455.05 × 18,309,694.30
  4. Step 4: Simplify right side
    18,561,636.70x = 509,786,840,526,991.25
  5. Step 5: Solve for x
    x = 509,786,840,526,991.25/18,561,636.70
  6. Step 6: Final answer
    x = 27,464,541.45

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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.