Home / 20,821,334.76-31,177,677.06-16,755,614.28

Finding the Fourth Proportional to 20,821,334.76, 31,177,677.06 and 16,755,614.28

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Solution

The fourth proportional to 20,821,334.76, 31,177,677.06 and 16,755,614.28 is: 25,089,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,821,334.76 : 31,177,677.06 = 16,755,614.28 : x
  2. Step 2: Convert to fraction form
    20,821,334.76/31,177,677.06 = 16,755,614.28/x
  3. Step 3: Cross multiply
    20,821,334.76x = 31,177,677.06 × 16,755,614.28
  4. Step 4: Simplify right side
    20,821,334.76x = 522,401,130,963,764.38
  5. Step 5: Solve for x
    x = 522,401,130,963,764.38/20,821,334.76
  6. Step 6: Final answer
    x = 25,089,704.24

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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.