Home / 18,933,769.20-28,400,653.80-16,595,428.80

Finding the Fourth Proportional to 18,933,769.20, 28,400,653.80 and 16,595,428.80

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Solution

The fourth proportional to 18,933,769.20, 28,400,653.80 and 16,595,428.80 is: 24,893,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933,769.20 : 28,400,653.80 = 16,595,428.80 : x
  2. Step 2: Convert to fraction form
    18,933,769.20/28,400,653.80 = 16,595,428.80/x
  3. Step 3: Cross multiply
    18,933,769.20x = 28,400,653.80 × 16,595,428.80
  4. Step 4: Simplify right side
    18,933,769.20x = 471,321,028,011,349.50
  5. Step 5: Solve for x
    x = 471,321,028,011,349.50/18,933,769.20
  6. Step 6: Final answer
    x = 24,893,143.20

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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.