Home / 20,820,716.56-28,732,584.36-11,653,359.04

Finding the Fourth Proportional to 20,820,716.56, 28,732,584.36 and 11,653,359.04

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Solution

The fourth proportional to 20,820,716.56, 28,732,584.36 and 11,653,359.04 is: 16,081,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,820,716.56 : 28,732,584.36 = 11,653,359.04 : x
  2. Step 2: Convert to fraction form
    20,820,716.56/28,732,584.36 = 11,653,359.04/x
  3. Step 3: Cross multiply
    20,820,716.56x = 28,732,584.36 × 11,653,359.04
  4. Step 4: Simplify right side
    20,820,716.56x = 334,831,121,694,168.56
  5. Step 5: Solve for x
    x = 334,831,121,694,168.56/20,820,716.56
  6. Step 6: Final answer
    x = 16,081,632.96

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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.