Home / 20,213,214.55-30,321,134.03-10,647,276.55

Finding the Fourth Proportional to 20,213,214.55, 30,321,134.03 and 10,647,276.55

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Solution

The fourth proportional to 20,213,214.55, 30,321,134.03 and 10,647,276.55 is: 15,971,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,214.55 : 30,321,134.03 = 10,647,276.55 : x
  2. Step 2: Convert to fraction form
    20,213,214.55/30,321,134.03 = 10,647,276.55/x
  3. Step 3: Cross multiply
    20,213,214.55x = 30,321,134.03 × 10,647,276.55
  4. Step 4: Simplify right side
    20,213,214.55x = 322,837,499,273,789.62
  5. Step 5: Solve for x
    x = 322,837,499,273,789.62/20,213,214.55
  6. Step 6: Final answer
    x = 15,971,606.02

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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.