Home / 20,350,317.41-28,083,615.43-11,057,887.43

Finding the Fourth Proportional to 20,350,317.41, 28,083,615.43 and 11,057,887.43

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Solution

The fourth proportional to 20,350,317.41, 28,083,615.43 and 11,057,887.43 is: 15,259,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350,317.41 : 28,083,615.43 = 11,057,887.43 : x
  2. Step 2: Convert to fraction form
    20,350,317.41/28,083,615.43 = 11,057,887.43/x
  3. Step 3: Cross multiply
    20,350,317.41x = 28,083,615.43 × 11,057,887.43
  4. Step 4: Simplify right side
    20,350,317.41x = 310,545,457,979,240.56
  5. Step 5: Solve for x
    x = 310,545,457,979,240.56/20,350,317.41
  6. Step 6: Final answer
    x = 15,259,981.05

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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.