Home / 12,282,653.26-18,386,188.52-8,013,629.26

Finding the Fourth Proportional to 12,282,653.26, 18,386,188.52 and 8,013,629.26

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Solution

The fourth proportional to 12,282,653.26, 18,386,188.52 and 8,013,629.26 is: 11,995,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,653.26 : 18,386,188.52 = 8,013,629.26 : x
  2. Step 2: Convert to fraction form
    12,282,653.26/18,386,188.52 = 8,013,629.26/x
  3. Step 3: Cross multiply
    12,282,653.26x = 18,386,188.52 × 8,013,629.26
  4. Step 4: Simplify right side
    12,282,653.26x = 147,340,098,286,662.69
  5. Step 5: Solve for x
    x = 147,340,098,286,662.69/12,282,653.26
  6. Step 6: Final answer
    x = 11,995,787.49

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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.