Home / 20,247,153.66-27,941,073.51-11,079,796.86

Finding the Fourth Proportional to 20,247,153.66, 27,941,073.51 and 11,079,796.86

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Solution

The fourth proportional to 20,247,153.66, 27,941,073.51 and 11,079,796.86 is: 15,290,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,153.66 : 27,941,073.51 = 11,079,796.86 : x
  2. Step 2: Convert to fraction form
    20,247,153.66/27,941,073.51 = 11,079,796.86/x
  3. Step 3: Cross multiply
    20,247,153.66x = 27,941,073.51 × 11,079,796.86
  4. Step 4: Simplify right side
    20,247,153.66x = 309,581,418,541,127.19
  5. Step 5: Solve for x
    x = 309,581,418,541,127.19/20,247,153.66
  6. Step 6: Final answer
    x = 15,290,120.47

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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.