Home / 11,284,905.57-15,577,936.56-7,618,787.61

Finding the Fourth Proportional to 11,284,905.57, 15,577,936.56 and 7,618,787.61

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Solution

The fourth proportional to 11,284,905.57, 15,577,936.56 and 7,618,787.61 is: 10,517,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284,905.57 : 15,577,936.56 = 7,618,787.61 : x
  2. Step 2: Convert to fraction form
    11,284,905.57/15,577,936.56 = 7,618,787.61/x
  3. Step 3: Cross multiply
    11,284,905.57x = 15,577,936.56 × 7,618,787.61
  4. Step 4: Simplify right side
    11,284,905.57x = 118,684,990,052,694.03
  5. Step 5: Solve for x
    x = 118,684,990,052,694.03/11,284,905.57
  6. Step 6: Final answer
    x = 10,517,145.16

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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.