Home / 36,990,709.68-51,047,105.40-20,693,185.68

Finding the Fourth Proportional to 36,990,709.68, 51,047,105.40 and 20,693,185.68

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Solution

The fourth proportional to 36,990,709.68, 51,047,105.40 and 20,693,185.68 is: 28,556,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990,709.68 : 51,047,105.40 = 20,693,185.68 : x
  2. Step 2: Convert to fraction form
    36,990,709.68/51,047,105.40 = 20,693,185.68/x
  3. Step 3: Cross multiply
    36,990,709.68x = 51,047,105.40 × 20,693,185.68
  4. Step 4: Simplify right side
    36,990,709.68x = 1,056,327,230,468,730.62
  5. Step 5: Solve for x
    x = 1,056,327,230,468,730.62/36,990,709.68
  6. Step 6: Final answer
    x = 28,556,554.86

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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.