Home / 36,882,856.78-50,902,805.56-20,991,805.22

Finding the Fourth Proportional to 36,882,856.78, 50,902,805.56 and 20,991,805.22

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Solution

The fourth proportional to 36,882,856.78, 50,902,805.56 and 20,991,805.22 is: 28,971,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882,856.78 : 50,902,805.56 = 20,991,805.22 : x
  2. Step 2: Convert to fraction form
    36,882,856.78/50,902,805.56 = 20,991,805.22/x
  3. Step 3: Cross multiply
    36,882,856.78x = 50,902,805.56 × 20,991,805.22
  4. Step 4: Simplify right side
    36,882,856.78x = 1,068,541,779,541,830.50
  5. Step 5: Solve for x
    x = 1,068,541,779,541,830.50/36,882,856.78
  6. Step 6: Final answer
    x = 28,971,231.43

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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.