Home / 13,479,876.40-20,219,814.60-11,086,423.60

Finding the Fourth Proportional to 13,479,876.40, 20,219,814.60 and 11,086,423.60

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Solution

The fourth proportional to 13,479,876.40, 20,219,814.60 and 11,086,423.60 is: 16,629,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,876.40 : 20,219,814.60 = 11,086,423.60 : x
  2. Step 2: Convert to fraction form
    13,479,876.40/20,219,814.60 = 11,086,423.60/x
  3. Step 3: Cross multiply
    13,479,876.40x = 20,219,814.60 × 11,086,423.60
  4. Step 4: Simplify right side
    13,479,876.40x = 224,165,429,769,064.56
  5. Step 5: Solve for x
    x = 224,165,429,769,064.56/13,479,876.40
  6. Step 6: Final answer
    x = 16,629,635.40

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Similar ratio
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1.5x scale

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.