Home / 22,735,945.76-31,375,556.89-12,422,742.80

Finding the Fourth Proportional to 22,735,945.76, 31,375,556.89 and 12,422,742.80

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Solution

The fourth proportional to 22,735,945.76, 31,375,556.89 and 12,422,742.80 is: 17,143,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735,945.76 : 31,375,556.89 = 12,422,742.80 : x
  2. Step 2: Convert to fraction form
    22,735,945.76/31,375,556.89 = 12,422,742.80/x
  3. Step 3: Cross multiply
    22,735,945.76x = 31,375,556.89 × 12,422,742.80
  4. Step 4: Simplify right side
    22,735,945.76x = 389,770,473,451,237.94
  5. Step 5: Solve for x
    x = 389,770,473,451,237.94/22,735,945.76
  6. Step 6: Final answer
    x = 17,143,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.