Home / 12,321,009.92-16,996,167.78-7,163,801.48

Finding the Fourth Proportional to 12,321,009.92, 16,996,167.78 and 7,163,801.48

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Solution

The fourth proportional to 12,321,009.92, 16,996,167.78 and 7,163,801.48 is: 9,882,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,009.92 : 16,996,167.78 = 7,163,801.48 : x
  2. Step 2: Convert to fraction form
    12,321,009.92/16,996,167.78 = 7,163,801.48/x
  3. Step 3: Cross multiply
    12,321,009.92x = 16,996,167.78 × 7,163,801.48
  4. Step 4: Simplify right side
    12,321,009.92x = 121,757,171,896,692.33
  5. Step 5: Solve for x
    x = 121,757,171,896,692.33/12,321,009.92
  6. Step 6: Final answer
    x = 9,882,077.26

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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.