Home / 18,928,234.60-28,392,351.90-15,149,098.60

Finding the Fourth Proportional to 18,928,234.60, 28,392,351.90 and 15,149,098.60

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Solution

The fourth proportional to 18,928,234.60, 28,392,351.90 and 15,149,098.60 is: 22,723,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,234.60 : 28,392,351.90 = 15,149,098.60 : x
  2. Step 2: Convert to fraction form
    18,928,234.60/28,392,351.90 = 15,149,098.60/x
  3. Step 3: Cross multiply
    18,928,234.60x = 28,392,351.90 × 15,149,098.60
  4. Step 4: Simplify right side
    18,928,234.60x = 430,118,538,418,997.31
  5. Step 5: Solve for x
    x = 430,118,538,418,997.31/18,928,234.60
  6. Step 6: Final answer
    x = 22,723,647.90

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1.5x scale

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.