Home / 13,395,948.19-20,068,568.07-7,914,651.06

Finding the Fourth Proportional to 13,395,948.19, 20,068,568.07 and 7,914,651.06

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Solution

The fourth proportional to 13,395,948.19, 20,068,568.07 and 7,914,651.06 is: 11,856,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,948.19 : 20,068,568.07 = 7,914,651.06 : x
  2. Step 2: Convert to fraction form
    13,395,948.19/20,068,568.07 = 7,914,651.06/x
  3. Step 3: Cross multiply
    13,395,948.19x = 20,068,568.07 × 7,914,651.06
  4. Step 4: Simplify right side
    13,395,948.19x = 158,835,713,497,736.25
  5. Step 5: Solve for x
    x = 158,835,713,497,736.25/13,395,948.19
  6. Step 6: Final answer
    x = 11,856,996.70

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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.