Home / 13,395,956.42-20,068,580.40-7,914,659.28

Finding the Fourth Proportional to 13,395,956.42, 20,068,580.40 and 7,914,659.28

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Solution

The fourth proportional to 13,395,956.42, 20,068,580.40 and 7,914,659.28 is: 11,857,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,956.42 : 20,068,580.40 = 7,914,659.28 : x
  2. Step 2: Convert to fraction form
    13,395,956.42/20,068,580.40 = 7,914,659.28/x
  3. Step 3: Cross multiply
    13,395,956.42x = 20,068,580.40 × 7,914,659.28
  4. Step 4: Simplify right side
    13,395,956.42x = 158,835,976,099,286.09
  5. Step 5: Solve for x
    x = 158,835,976,099,286.09/13,395,956.42
  6. Step 6: Final answer
    x = 11,857,009.02

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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.