Home / 20,412,791.10-30,619,186.65-5,266,722.60

Finding the Fourth Proportional to 20,412,791.10, 30,619,186.65 and 5,266,722.60

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Solution

The fourth proportional to 20,412,791.10, 30,619,186.65 and 5,266,722.60 is: 7,900,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,791.10 : 30,619,186.65 = 5,266,722.60 : x
  2. Step 2: Convert to fraction form
    20,412,791.10/30,619,186.65 = 5,266,722.60/x
  3. Step 3: Cross multiply
    20,412,791.10x = 30,619,186.65 × 5,266,722.60
  4. Step 4: Simplify right side
    20,412,791.10x = 161,262,762,323,173.28
  5. Step 5: Solve for x
    x = 161,262,762,323,173.28/20,412,791.10
  6. Step 6: Final answer
    x = 7,900,083.90

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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.