Home / 18,425,629.80-27,638,444.70-18,186,481.35

Finding the Fourth Proportional to 18,425,629.80, 27,638,444.70 and 18,186,481.35

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Solution

The fourth proportional to 18,425,629.80, 27,638,444.70 and 18,186,481.35 is: 27,279,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425,629.80 : 27,638,444.70 = 18,186,481.35 : x
  2. Step 2: Convert to fraction form
    18,425,629.80/27,638,444.70 = 18,186,481.35/x
  3. Step 3: Cross multiply
    18,425,629.80x = 27,638,444.70 × 18,186,481.35
  4. Step 4: Simplify right side
    18,425,629.80x = 502,646,059,079,556.38
  5. Step 5: Solve for x
    x = 502,646,059,079,556.38/18,425,629.80
  6. Step 6: Final answer
    x = 27,279,722.03

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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.