Home / 18,409,465.26-27,609,768.63-5,630,080.86

Finding the Fourth Proportional to 18,409,465.26, 27,609,768.63 and 5,630,080.86

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Solution

The fourth proportional to 18,409,465.26, 27,609,768.63 and 5,630,080.86 is: 8,443,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,465.26 : 27,609,768.63 = 5,630,080.86 : x
  2. Step 2: Convert to fraction form
    18,409,465.26/27,609,768.63 = 5,630,080.86/x
  3. Step 3: Cross multiply
    18,409,465.26x = 27,609,768.63 × 5,630,080.86
  4. Step 4: Simplify right side
    18,409,465.26x = 155,445,229,912,791.44
  5. Step 5: Solve for x
    x = 155,445,229,912,791.44/18,409,465.26
  6. Step 6: Final answer
    x = 8,443,766.71

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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.