Home / 12,914,147.08-17,820,850.39-8,019,264.12

Finding the Fourth Proportional to 12,914,147.08, 17,820,850.39 and 8,019,264.12

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Solution

The fourth proportional to 12,914,147.08, 17,820,850.39 and 8,019,264.12 is: 11,066,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,147.08 : 17,820,850.39 = 8,019,264.12 : x
  2. Step 2: Convert to fraction form
    12,914,147.08/17,820,850.39 = 8,019,264.12/x
  3. Step 3: Cross multiply
    12,914,147.08x = 17,820,850.39 × 8,019,264.12
  4. Step 4: Simplify right side
    12,914,147.08x = 142,910,106,120,415
  5. Step 5: Solve for x
    x = 142,910,106,120,415/12,914,147.08
  6. Step 6: Final answer
    x = 11,066,166.84

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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.