Home / 20,469,722.64-30,571,870.40-18,546,791.91

Finding the Fourth Proportional to 20,469,722.64, 30,571,870.40 and 18,546,791.91

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Solution

The fourth proportional to 20,469,722.64, 30,571,870.40 and 18,546,791.91 is: 27,699,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,722.64 : 30,571,870.40 = 18,546,791.91 : x
  2. Step 2: Convert to fraction form
    20,469,722.64/30,571,870.40 = 18,546,791.91/x
  3. Step 3: Cross multiply
    20,469,722.64x = 30,571,870.40 × 18,546,791.91
  4. Step 4: Simplify right side
    20,469,722.64x = 567,010,118,515,554.50
  5. Step 5: Solve for x
    x = 567,010,118,515,554.50/20,469,722.64
  6. Step 6: Final answer
    x = 27,699,941.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.