Home / 13,174,732.11-18,178,961.02-8,276,485.43

Finding the Fourth Proportional to 13,174,732.11, 18,178,961.02 and 8,276,485.43

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Solution

The fourth proportional to 13,174,732.11, 18,178,961.02 and 8,276,485.43 is: 11,420,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,732.11 : 18,178,961.02 = 8,276,485.43 : x
  2. Step 2: Convert to fraction form
    13,174,732.11/18,178,961.02 = 8,276,485.43/x
  3. Step 3: Cross multiply
    13,174,732.11x = 18,178,961.02 × 8,276,485.43
  4. Step 4: Simplify right side
    13,174,732.11x = 150,457,906,039,324.12
  5. Step 5: Solve for x
    x = 150,457,906,039,324.12/13,174,732.11
  6. Step 6: Final answer
    x = 11,420,187.12

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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.