Home / 12,882,598.20-17,777,786.22-7,081,255.80

Finding the Fourth Proportional to 12,882,598.20, 17,777,786.22 and 7,081,255.80

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Solution

The fourth proportional to 12,882,598.20, 17,777,786.22 and 7,081,255.80 is: 9,772,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,598.20 : 17,777,786.22 = 7,081,255.80 : x
  2. Step 2: Convert to fraction form
    12,882,598.20/17,777,786.22 = 7,081,255.80/x
  3. Step 3: Cross multiply
    12,882,598.20x = 17,777,786.22 × 7,081,255.80
  4. Step 4: Simplify right side
    12,882,598.20x = 125,889,051,781,535.06
  5. Step 5: Solve for x
    x = 125,889,051,781,535.06/12,882,598.20
  6. Step 6: Final answer
    x = 9,772,023.46

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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.