Home / 12,305,611.13-16,982,085.78-6,799,340.88

Finding the Fourth Proportional to 12,305,611.13, 16,982,085.78 and 6,799,340.88

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Solution

The fourth proportional to 12,305,611.13, 16,982,085.78 and 6,799,340.88 is: 9,383,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,611.13 : 16,982,085.78 = 6,799,340.88 : x
  2. Step 2: Convert to fraction form
    12,305,611.13/16,982,085.78 = 6,799,340.88/x
  3. Step 3: Cross multiply
    12,305,611.13x = 16,982,085.78 × 6,799,340.88
  4. Step 4: Simplify right side
    12,305,611.13x = 115,466,990,071,620.69
  5. Step 5: Solve for x
    x = 115,466,990,071,620.69/12,305,611.13
  6. Step 6: Final answer
    x = 9,383,279.62

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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.