Home / 12,111,068.40-18,170,109.11-3,591,609.90

Finding the Fourth Proportional to 12,111,068.40, 18,170,109.11 and 3,591,609.90

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Solution

The fourth proportional to 12,111,068.40, 18,170,109.11 and 3,591,609.90 is: 5,388,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,068.40 : 18,170,109.11 = 3,591,609.90 : x
  2. Step 2: Convert to fraction form
    12,111,068.40/18,170,109.11 = 3,591,609.90/x
  3. Step 3: Cross multiply
    12,111,068.40x = 18,170,109.11 × 3,591,609.90
  4. Step 4: Simplify right side
    12,111,068.40x = 65,259,943,763,556.19
  5. Step 5: Solve for x
    x = 65,259,943,763,556.19/12,111,068.40
  6. Step 6: Final answer
    x = 5,388,454.73

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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.