Home / 38,373,936.72-52,956,725.04-20,971,015.44

Finding the Fourth Proportional to 38,373,936.72, 52,956,725.04 and 20,971,015.44

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Solution

The fourth proportional to 38,373,936.72, 52,956,725.04 and 20,971,015.44 is: 28,940,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373,936.72 : 52,956,725.04 = 20,971,015.44 : x
  2. Step 2: Convert to fraction form
    38,373,936.72/52,956,725.04 = 20,971,015.44/x
  3. Step 3: Cross multiply
    38,373,936.72x = 52,956,725.04 × 20,971,015.44
  4. Step 4: Simplify right side
    38,373,936.72x = 1,110,556,298,465,674.62
  5. Step 5: Solve for x
    x = 1,110,556,298,465,674.62/38,373,936.72
  6. Step 6: Final answer
    x = 28,940,379.68

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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.