Home / 11,247,273.60-16,870,910.40-8,239,171.20

Finding the Fourth Proportional to 11,247,273.60, 16,870,910.40 and 8,239,171.20

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Solution

The fourth proportional to 11,247,273.60, 16,870,910.40 and 8,239,171.20 is: 12,358,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,273.60 : 16,870,910.40 = 8,239,171.20 : x
  2. Step 2: Convert to fraction form
    11,247,273.60/16,870,910.40 = 8,239,171.20/x
  3. Step 3: Cross multiply
    11,247,273.60x = 16,870,910.40 × 8,239,171.20
  4. Step 4: Simplify right side
    11,247,273.60x = 139,002,319,085,460.47
  5. Step 5: Solve for x
    x = 139,002,319,085,460.47/11,247,273.60
  6. Step 6: Final answer
    x = 12,358,756.80

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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.