Home / 18,197,200.80-27,295,801.20-16,811,517.60

Finding the Fourth Proportional to 18,197,200.80, 27,295,801.20 and 16,811,517.60

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Solution

The fourth proportional to 18,197,200.80, 27,295,801.20 and 16,811,517.60 is: 25,217,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,200.80 : 27,295,801.20 = 16,811,517.60 : x
  2. Step 2: Convert to fraction form
    18,197,200.80/27,295,801.20 = 16,811,517.60/x
  3. Step 3: Cross multiply
    18,197,200.80x = 27,295,801.20 × 16,811,517.60
  4. Step 4: Simplify right side
    18,197,200.80x = 458,883,842,279,901.12
  5. Step 5: Solve for x
    x = 458,883,842,279,901.12/18,197,200.80
  6. Step 6: Final answer
    x = 25,217,276.40

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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.