Home / 8,516,453.60-12,784,011.60-5,325,183.20

Finding the Fourth Proportional to 8,516,453.60, 12,784,011.60 and 5,325,183.20

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Solution

The fourth proportional to 8,516,453.60, 12,784,011.60 and 5,325,183.20 is: 7,993,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,453.60 : 12,784,011.60 = 5,325,183.20 : x
  2. Step 2: Convert to fraction form
    8,516,453.60/12,784,011.60 = 5,325,183.20/x
  3. Step 3: Cross multiply
    8,516,453.60x = 12,784,011.60 × 5,325,183.20
  4. Step 4: Simplify right side
    8,516,453.60x = 68,077,203,800,925.12
  5. Step 5: Solve for x
    x = 68,077,203,800,925.12/8,516,453.60
  6. Step 6: Final answer
    x = 7,993,609.43

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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.