Home / 15,404,551.82-21,258,945.80-8,529,033.88

Finding the Fourth Proportional to 15,404,551.82, 21,258,945.80 and 8,529,033.88

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Solution

The fourth proportional to 15,404,551.82, 21,258,945.80 and 8,529,033.88 is: 11,770,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,551.82 : 21,258,945.80 = 8,529,033.88 : x
  2. Step 2: Convert to fraction form
    15,404,551.82/21,258,945.80 = 8,529,033.88/x
  3. Step 3: Cross multiply
    15,404,551.82x = 21,258,945.80 × 8,529,033.88
  4. Step 4: Simplify right side
    15,404,551.82x = 181,318,268,981,283.72
  5. Step 5: Solve for x
    x = 181,318,268,981,283.72/15,404,551.82
  6. Step 6: Final answer
    x = 11,770,434.55

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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.