Home / 13,321,637.30-18,384,305.24-8,164,002.80

Finding the Fourth Proportional to 13,321,637.30, 18,384,305.24 and 8,164,002.80

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Solution

The fourth proportional to 13,321,637.30, 18,384,305.24 and 8,164,002.80 is: 11,266,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,637.30 : 18,384,305.24 = 8,164,002.80 : x
  2. Step 2: Convert to fraction form
    13,321,637.30/18,384,305.24 = 8,164,002.80/x
  3. Step 3: Cross multiply
    13,321,637.30x = 18,384,305.24 × 8,164,002.80
  4. Step 4: Simplify right side
    13,321,637.30x = 150,089,519,455,414.66
  5. Step 5: Solve for x
    x = 150,089,519,455,414.66/13,321,637.30
  6. Step 6: Final answer
    x = 11,266,597.05

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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.