Home / 12,027,077.66-16,599,778.38-7,135,015.16

Finding the Fourth Proportional to 12,027,077.66, 16,599,778.38 and 7,135,015.16

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Solution

The fourth proportional to 12,027,077.66, 16,599,778.38 and 7,135,015.16 is: 9,847,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027,077.66 : 16,599,778.38 = 7,135,015.16 : x
  2. Step 2: Convert to fraction form
    12,027,077.66/16,599,778.38 = 7,135,015.16/x
  3. Step 3: Cross multiply
    12,027,077.66x = 16,599,778.38 × 7,135,015.16
  4. Step 4: Simplify right side
    12,027,077.66x = 118,439,670,393,940.25
  5. Step 5: Solve for x
    x = 118,439,670,393,940.25/12,027,077.66
  6. Step 6: Final answer
    x = 9,847,751.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.