Home / 18,933,770.20-28,400,655.30-16,595,429.80

Finding the Fourth Proportional to 18,933,770.20, 28,400,655.30 and 16,595,429.80

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Solution

The fourth proportional to 18,933,770.20, 28,400,655.30 and 16,595,429.80 is: 24,893,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933,770.20 : 28,400,655.30 = 16,595,429.80 : x
  2. Step 2: Convert to fraction form
    18,933,770.20/28,400,655.30 = 16,595,429.80/x
  3. Step 3: Cross multiply
    18,933,770.20x = 28,400,655.30 × 16,595,429.80
  4. Step 4: Simplify right side
    18,933,770.20x = 471,321,081,305,148
  5. Step 5: Solve for x
    x = 471,321,081,305,148/18,933,770.20
  6. Step 6: Final answer
    x = 24,893,144.70

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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.