Home / 13,479,336.90-20,219,005.35-11,085,884.10

Finding the Fourth Proportional to 13,479,336.90, 20,219,005.35 and 11,085,884.10

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Solution

The fourth proportional to 13,479,336.90, 20,219,005.35 and 11,085,884.10 is: 16,628,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,336.90 : 20,219,005.35 = 11,085,884.10 : x
  2. Step 2: Convert to fraction form
    13,479,336.90/20,219,005.35 = 11,085,884.10/x
  3. Step 3: Cross multiply
    13,479,336.90x = 20,219,005.35 × 11,085,884.10
  4. Step 4: Simplify right side
    13,479,336.90x = 224,145,549,927,379.94
  5. Step 5: Solve for x
    x = 224,145,549,927,379.94/13,479,336.90
  6. Step 6: Final answer
    x = 16,628,826.15

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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.