Home / 13,365,879.20-20,048,818.80-11,452,691.60

Finding the Fourth Proportional to 13,365,879.20, 20,048,818.80 and 11,452,691.60

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Solution

The fourth proportional to 13,365,879.20, 20,048,818.80 and 11,452,691.60 is: 17,179,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,879.20 : 20,048,818.80 = 11,452,691.60 : x
  2. Step 2: Convert to fraction form
    13,365,879.20/20,048,818.80 = 11,452,691.60/x
  3. Step 3: Cross multiply
    13,365,879.20x = 20,048,818.80 × 11,452,691.60
  4. Step 4: Simplify right side
    13,365,879.20x = 229,612,938,660,682.09
  5. Step 5: Solve for x
    x = 229,612,938,660,682.09/13,365,879.20
  6. Step 6: Final answer
    x = 17,179,037.40

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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.