Home / 13,383,656.80-20,053,366.80-11,393,000.80

Finding the Fourth Proportional to 13,383,656.80, 20,053,366.80 and 11,393,000.80

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Solution

The fourth proportional to 13,383,656.80, 20,053,366.80 and 11,393,000.80 is: 17,070,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,656.80 : 20,053,366.80 = 11,393,000.80 : x
  2. Step 2: Convert to fraction form
    13,383,656.80/20,053,366.80 = 11,393,000.80/x
  3. Step 3: Cross multiply
    13,383,656.80x = 20,053,366.80 × 11,393,000.80
  4. Step 4: Simplify right side
    13,383,656.80x = 228,468,023,995,093.47
  5. Step 5: Solve for x
    x = 228,468,023,995,093.47/13,383,656.80
  6. Step 6: Final answer
    x = 17,070,672.64

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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.