Home / 20,749,840.97-28,637,209.26-17,259,021.02

Finding the Fourth Proportional to 20,749,840.97, 28,637,209.26 and 17,259,021.02

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Solution

The fourth proportional to 20,749,840.97, 28,637,209.26 and 17,259,021.02 is: 23,819,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749,840.97 : 28,637,209.26 = 17,259,021.02 : x
  2. Step 2: Convert to fraction form
    20,749,840.97/28,637,209.26 = 17,259,021.02/x
  3. Step 3: Cross multiply
    20,749,840.97x = 28,637,209.26 × 17,259,021.02
  4. Step 4: Simplify right side
    20,749,840.97x = 494,250,196,572,478.69
  5. Step 5: Solve for x
    x = 494,250,196,572,478.69/20,749,840.97
  6. Step 6: Final answer
    x = 23,819,469.14

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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.