Home / 23,167,897-31,858,323.78-20,106,796.84

Finding the Fourth Proportional to 23,167,897, 31,858,323.78 and 20,106,796.84

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Solution

The fourth proportional to 23,167,897, 31,858,323.78 and 20,106,796.84 is: 27,648,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167,897 : 31,858,323.78 = 20,106,796.84 : x
  2. Step 2: Convert to fraction form
    23,167,897/31,858,323.78 = 20,106,796.84/x
  3. Step 3: Cross multiply
    23,167,897x = 31,858,323.78 × 20,106,796.84
  4. Step 4: Simplify right side
    23,167,897x = 640,568,843,907,400.88
  5. Step 5: Solve for x
    x = 640,568,843,907,400.88/23,167,897
  6. Step 6: Final answer
    x = 27,648,985.31

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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.