Home / 20,986,723.38-31,480,914.51-5,841,978.42

Finding the Fourth Proportional to 20,986,723.38, 31,480,914.51 and 5,841,978.42

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Solution

The fourth proportional to 20,986,723.38, 31,480,914.51 and 5,841,978.42 is: 8,763,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,986,723.38 : 31,480,914.51 = 5,841,978.42 : x
  2. Step 2: Convert to fraction form
    20,986,723.38/31,480,914.51 = 5,841,978.42/x
  3. Step 3: Cross multiply
    20,986,723.38x = 31,480,914.51 × 5,841,978.42
  4. Step 4: Simplify right side
    20,986,723.38x = 183,910,823,209,284.88
  5. Step 5: Solve for x
    x = 183,910,823,209,284.88/20,986,723.38
  6. Step 6: Final answer
    x = 8,763,198.52

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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.