Home / 28,691,809.80-43,040,299.26-9,261,496.50

Finding the Fourth Proportional to 28,691,809.80, 43,040,299.26 and 9,261,496.50

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Solution

The fourth proportional to 28,691,809.80, 43,040,299.26 and 9,261,496.50 is: 13,893,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,809.80 : 43,040,299.26 = 9,261,496.50 : x
  2. Step 2: Convert to fraction form
    28,691,809.80/43,040,299.26 = 9,261,496.50/x
  3. Step 3: Cross multiply
    28,691,809.80x = 43,040,299.26 × 9,261,496.50
  4. Step 4: Simplify right side
    28,691,809.80x = 398,617,580,955,442.56
  5. Step 5: Solve for x
    x = 398,617,580,955,442.56/28,691,809.80
  6. Step 6: Final answer
    x = 13,893,079.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.