Home / 18,139,820.22-27,209,560.50-7,354,556.82

Finding the Fourth Proportional to 18,139,820.22, 27,209,560.50 and 7,354,556.82

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Solution

The fourth proportional to 18,139,820.22, 27,209,560.50 and 7,354,556.82 is: 11,031,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,820.22 : 27,209,560.50 = 7,354,556.82 : x
  2. Step 2: Convert to fraction form
    18,139,820.22/27,209,560.50 = 7,354,556.82/x
  3. Step 3: Cross multiply
    18,139,820.22x = 27,209,560.50 × 7,354,556.82
  4. Step 4: Simplify right side
    18,139,820.22x = 200,114,258,744,477.62
  5. Step 5: Solve for x
    x = 200,114,258,744,477.62/18,139,820.22
  6. Step 6: Final answer
    x = 11,031,766.37

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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.