Home / 13,086,335.81-18,047,387.12-8,192,004.08

Finding the Fourth Proportional to 13,086,335.81, 18,047,387.12 and 8,192,004.08

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Solution

The fourth proportional to 13,086,335.81, 18,047,387.12 and 8,192,004.08 is: 11,297,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,335.81 : 18,047,387.12 = 8,192,004.08 : x
  2. Step 2: Convert to fraction form
    13,086,335.81/18,047,387.12 = 8,192,004.08/x
  3. Step 3: Cross multiply
    13,086,335.81x = 18,047,387.12 × 8,192,004.08
  4. Step 4: Simplify right side
    13,086,335.81x = 147,844,268,789,182.47
  5. Step 5: Solve for x
    x = 147,844,268,789,182.47/13,086,335.81
  6. Step 6: Final answer
    x = 11,297,606.21

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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.