Home / 18,392,896.20-25,380,291.15-11,327,371.50

Finding the Fourth Proportional to 18,392,896.20, 25,380,291.15 and 11,327,371.50

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Solution

The fourth proportional to 18,392,896.20, 25,380,291.15 and 11,327,371.50 is: 15,630,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,896.20 : 25,380,291.15 = 11,327,371.50 : x
  2. Step 2: Convert to fraction form
    18,392,896.20/25,380,291.15 = 11,327,371.50/x
  3. Step 3: Cross multiply
    18,392,896.20x = 25,380,291.15 × 11,327,371.50
  4. Step 4: Simplify right side
    18,392,896.20x = 287,491,986,634,212.19
  5. Step 5: Solve for x
    x = 287,491,986,634,212.19/18,392,896.20
  6. Step 6: Final answer
    x = 15,630,599.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.