Home / 11,003,971.70-16,505,957.55-8,169,619.70

Finding the Fourth Proportional to 11,003,971.70, 16,505,957.55 and 8,169,619.70

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Solution

The fourth proportional to 11,003,971.70, 16,505,957.55 and 8,169,619.70 is: 12,254,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003,971.70 : 16,505,957.55 = 8,169,619.70 : x
  2. Step 2: Convert to fraction form
    11,003,971.70/16,505,957.55 = 8,169,619.70/x
  3. Step 3: Cross multiply
    11,003,971.70x = 16,505,957.55 × 8,169,619.70
  4. Step 4: Simplify right side
    11,003,971.70x = 134,847,395,967,843.75
  5. Step 5: Solve for x
    x = 134,847,395,967,843.75/11,003,971.70
  6. Step 6: Final answer
    x = 12,254,429.55

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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.