Home / 13,321,637.67-18,384,305.76-8,164,003.17

Finding the Fourth Proportional to 13,321,637.67, 18,384,305.76 and 8,164,003.17

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Solution

The fourth proportional to 13,321,637.67, 18,384,305.76 and 8,164,003.17 is: 11,266,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,637.67 : 18,384,305.76 = 8,164,003.17 : x
  2. Step 2: Convert to fraction form
    13,321,637.67/18,384,305.76 = 8,164,003.17/x
  3. Step 3: Cross multiply
    13,321,637.67x = 18,384,305.76 × 8,164,003.17
  4. Step 4: Simplify right side
    13,321,637.67x = 150,089,530,502,889.28
  5. Step 5: Solve for x
    x = 150,089,530,502,889.28/13,321,637.67
  6. Step 6: Final answer
    x = 11,266,597.56

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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.