Home / 20,570,668.32-30,856,986.60-16,969,758.24

Finding the Fourth Proportional to 20,570,668.32, 30,856,986.60 and 16,969,758.24

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Solution

The fourth proportional to 20,570,668.32, 30,856,986.60 and 16,969,758.24 is: 25,455,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570,668.32 : 30,856,986.60 = 16,969,758.24 : x
  2. Step 2: Convert to fraction form
    20,570,668.32/30,856,986.60 = 16,969,758.24/x
  3. Step 3: Cross multiply
    20,570,668.32x = 30,856,986.60 × 16,969,758.24
  4. Step 4: Simplify right side
    20,570,668.32x = 523,635,602,616,919.56
  5. Step 5: Solve for x
    x = 523,635,602,616,919.56/20,570,668.32
  6. Step 6: Final answer
    x = 25,455,449.21

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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.