Home / 20,535,494.41-30,801,235.78-5,389,425.91

Finding the Fourth Proportional to 20,535,494.41, 30,801,235.78 and 5,389,425.91

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Solution

The fourth proportional to 20,535,494.41, 30,801,235.78 and 5,389,425.91 is: 8,083,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,494.41 : 30,801,235.78 = 5,389,425.91 : x
  2. Step 2: Convert to fraction form
    20,535,494.41/30,801,235.78 = 5,389,425.91/x
  3. Step 3: Cross multiply
    20,535,494.41x = 30,801,235.78 × 5,389,425.91
  4. Step 4: Simplify right side
    20,535,494.41x = 166,000,978,172,751.06
  5. Step 5: Solve for x
    x = 166,000,978,172,751.06/20,535,494.41
  6. Step 6: Final answer
    x = 8,083,612.44

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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.