Home / 13,653,284.80-20,479,927.20-3,555,905.80

Finding the Fourth Proportional to 13,653,284.80, 20,479,927.20 and 3,555,905.80

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Solution

The fourth proportional to 13,653,284.80, 20,479,927.20 and 3,555,905.80 is: 5,333,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,284.80 : 20,479,927.20 = 3,555,905.80 : x
  2. Step 2: Convert to fraction form
    13,653,284.80/20,479,927.20 = 3,555,905.80/x
  3. Step 3: Cross multiply
    13,653,284.80x = 20,479,927.20 × 3,555,905.80
  4. Step 4: Simplify right side
    13,653,284.80x = 72,824,691,914,057.75
  5. Step 5: Solve for x
    x = 72,824,691,914,057.75/13,653,284.80
  6. Step 6: Final answer
    x = 5,333,858.70

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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.