Home / 12,320,062.97-18,467,062.55-4,640,385.06

Finding the Fourth Proportional to 12,320,062.97, 18,467,062.55 and 4,640,385.06

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Solution

The fourth proportional to 12,320,062.97, 18,467,062.55 and 4,640,385.06 is: 6,955,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,062.97 : 18,467,062.55 = 4,640,385.06 : x
  2. Step 2: Convert to fraction form
    12,320,062.97/18,467,062.55 = 4,640,385.06/x
  3. Step 3: Cross multiply
    12,320,062.97x = 18,467,062.55 × 4,640,385.06
  4. Step 4: Simplify right side
    12,320,062.97x = 85,694,281,159,105.50
  5. Step 5: Solve for x
    x = 85,694,281,159,105.50/12,320,062.97
  6. Step 6: Final answer
    x = 6,955,669.09

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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.