Home / 11,247,230.60-16,870,845.90-8,239,128.20

Finding the Fourth Proportional to 11,247,230.60, 16,870,845.90 and 8,239,128.20

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Solution

The fourth proportional to 11,247,230.60, 16,870,845.90 and 8,239,128.20 is: 12,358,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,230.60 : 16,870,845.90 = 8,239,128.20 : x
  2. Step 2: Convert to fraction form
    11,247,230.60/16,870,845.90 = 8,239,128.20/x
  3. Step 3: Cross multiply
    11,247,230.60x = 16,870,845.90 × 8,239,128.20
  4. Step 4: Simplify right side
    11,247,230.60x = 139,001,062,212,544.38
  5. Step 5: Solve for x
    x = 139,001,062,212,544.38/11,247,230.60
  6. Step 6: Final answer
    x = 12,358,692.30

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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.