Home / 11,285,497.92-15,578,753.04-7,619,380.72

Finding the Fourth Proportional to 11,285,497.92, 15,578,753.04 and 7,619,380.72

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Solution

The fourth proportional to 11,285,497.92, 15,578,753.04 and 7,619,380.72 is: 10,517,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,497.92 : 15,578,753.04 = 7,619,380.72 : x
  2. Step 2: Convert to fraction form
    11,285,497.92/15,578,753.04 = 7,619,380.72/x
  3. Step 3: Cross multiply
    11,285,497.92x = 15,578,753.04 × 7,619,380.72
  4. Step 4: Simplify right side
    11,285,497.92x = 118,700,450,554,617.38
  5. Step 5: Solve for x
    x = 118,700,450,554,617.38/11,285,497.92
  6. Step 6: Final answer
    x = 10,517,963.09

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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.