Home / 13,395,975.24-20,068,608.18-7,914,677.88

Finding the Fourth Proportional to 13,395,975.24, 20,068,608.18 and 7,914,677.88

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Solution

The fourth proportional to 13,395,975.24, 20,068,608.18 and 7,914,677.88 is: 11,857,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,975.24 : 20,068,608.18 = 7,914,677.88 : x
  2. Step 2: Convert to fraction form
    13,395,975.24/20,068,608.18 = 7,914,677.88/x
  3. Step 3: Cross multiply
    13,395,975.24x = 20,068,608.18 × 7,914,677.88
  4. Step 4: Simplify right side
    13,395,975.24x = 158,836,569,244,633.06
  5. Step 5: Solve for x
    x = 158,836,569,244,633.06/13,395,975.24
  6. Step 6: Final answer
    x = 11,857,036.64

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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.