Home / 8,381,820.33-12,628,739.71-7,573,144.68

Finding the Fourth Proportional to 8,381,820.33, 12,628,739.71 and 7,573,144.68

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Solution

The fourth proportional to 8,381,820.33, 12,628,739.71 and 7,573,144.68 is: 11,410,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,820.33 : 12,628,739.71 = 7,573,144.68 : x
  2. Step 2: Convert to fraction form
    8,381,820.33/12,628,739.71 = 7,573,144.68/x
  3. Step 3: Cross multiply
    8,381,820.33x = 12,628,739.71 × 7,573,144.68
  4. Step 4: Simplify right side
    8,381,820.33x = 95,639,272,949,891.25
  5. Step 5: Solve for x
    x = 95,639,272,949,891.25/8,381,820.33
  6. Step 6: Final answer
    x = 11,410,322.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.