Home / 20,219,086.60-30,328,629.90-14,479,523.80

Finding the Fourth Proportional to 20,219,086.60, 30,328,629.90 and 14,479,523.80

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Solution

The fourth proportional to 20,219,086.60, 30,328,629.90 and 14,479,523.80 is: 21,719,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,086.60 : 30,328,629.90 = 14,479,523.80 : x
  2. Step 2: Convert to fraction form
    20,219,086.60/30,328,629.90 = 14,479,523.80/x
  3. Step 3: Cross multiply
    20,219,086.60x = 30,328,629.90 × 14,479,523.80
  4. Step 4: Simplify right side
    20,219,086.60x = 439,144,118,458,441.62
  5. Step 5: Solve for x
    x = 439,144,118,458,441.62/20,219,086.60
  6. Step 6: Final answer
    x = 21,719,285.70

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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.