Home / 20,110,407.40-29,998,344.33-18,173,250.28

Finding the Fourth Proportional to 20,110,407.40, 29,998,344.33 and 18,173,250.28

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Solution

The fourth proportional to 20,110,407.40, 29,998,344.33 and 18,173,250.28 is: 27,108,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,407.40 : 29,998,344.33 = 18,173,250.28 : x
  2. Step 2: Convert to fraction form
    20,110,407.40/29,998,344.33 = 18,173,250.28/x
  3. Step 3: Cross multiply
    20,110,407.40x = 29,998,344.33 × 18,173,250.28
  4. Step 4: Simplify right side
    20,110,407.40x = 545,167,419,494,708.94
  5. Step 5: Solve for x
    x = 545,167,419,494,708.94/20,110,407.40
  6. Step 6: Final answer
    x = 27,108,720.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.