Home / 20,914,584.93-28,862,994.92-11,622,120.30

Finding the Fourth Proportional to 20,914,584.93, 28,862,994.92 and 11,622,120.30

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Solution

The fourth proportional to 20,914,584.93, 28,862,994.92 and 11,622,120.30 is: 16,039,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,584.93 : 28,862,994.92 = 11,622,120.30 : x
  2. Step 2: Convert to fraction form
    20,914,584.93/28,862,994.92 = 11,622,120.30/x
  3. Step 3: Cross multiply
    20,914,584.93x = 28,862,994.92 × 11,622,120.30
  4. Step 4: Simplify right side
    20,914,584.93x = 335,449,199,178,528.94
  5. Step 5: Solve for x
    x = 335,449,199,178,528.94/20,914,584.93
  6. Step 6: Final answer
    x = 16,039,008.20

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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.