Home / 12,528,324.94-17,291,513.10-8,169,844.46

Finding the Fourth Proportional to 12,528,324.94, 17,291,513.10 and 8,169,844.46

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Solution

The fourth proportional to 12,528,324.94, 17,291,513.10 and 8,169,844.46 is: 11,275,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,324.94 : 17,291,513.10 = 8,169,844.46 : x
  2. Step 2: Convert to fraction form
    12,528,324.94/17,291,513.10 = 8,169,844.46/x
  3. Step 3: Cross multiply
    12,528,324.94x = 17,291,513.10 × 8,169,844.46
  4. Step 4: Simplify right side
    12,528,324.94x = 141,268,972,505,052.44
  5. Step 5: Solve for x
    x = 141,268,972,505,052.44/12,528,324.94
  6. Step 6: Final answer
    x = 11,275,966.51

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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.