Home / 12,048,786.28-16,627,344.74-6,542,171.78

Finding the Fourth Proportional to 12,048,786.28, 16,627,344.74 and 6,542,171.78

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Solution

The fourth proportional to 12,048,786.28, 16,627,344.74 and 6,542,171.78 is: 9,028,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,786.28 : 16,627,344.74 = 6,542,171.78 : x
  2. Step 2: Convert to fraction form
    12,048,786.28/16,627,344.74 = 6,542,171.78/x
  3. Step 3: Cross multiply
    12,048,786.28x = 16,627,344.74 × 6,542,171.78
  4. Step 4: Simplify right side
    12,048,786.28x = 108,778,945,501,648.58
  5. Step 5: Solve for x
    x = 108,778,945,501,648.58/12,048,786.28
  6. Step 6: Final answer
    x = 9,028,207.74

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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.