Home / 12,572,786.25-17,363,617.79-8,662,709.16

Finding the Fourth Proportional to 12,572,786.25, 17,363,617.79 and 8,662,709.16

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Solution

The fourth proportional to 12,572,786.25, 17,363,617.79 and 8,662,709.16 is: 11,963,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,786.25 : 17,363,617.79 = 8,662,709.16 : x
  2. Step 2: Convert to fraction form
    12,572,786.25/17,363,617.79 = 8,662,709.16/x
  3. Step 3: Cross multiply
    12,572,786.25x = 17,363,617.79 × 8,662,709.16
  4. Step 4: Simplify right side
    12,572,786.25x = 150,415,970,836,858.41
  5. Step 5: Solve for x
    x = 150,415,970,836,858.41/12,572,786.25
  6. Step 6: Final answer
    x = 11,963,614.73

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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.