Home / 7,874,007.70-11,812,283.66-3,325,740.25

Finding the Fourth Proportional to 7,874,007.70, 11,812,283.66 and 3,325,740.25

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Solution

The fourth proportional to 7,874,007.70, 11,812,283.66 and 3,325,740.25 is: 4,989,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,007.70 : 11,812,283.66 = 3,325,740.25 : x
  2. Step 2: Convert to fraction form
    7,874,007.70/11,812,283.66 = 3,325,740.25/x
  3. Step 3: Cross multiply
    7,874,007.70x = 11,812,283.66 × 3,325,740.25
  4. Step 4: Simplify right side
    7,874,007.70x = 39,284,587,212,479.31
  5. Step 5: Solve for x
    x = 39,284,587,212,479.31/7,874,007.70
  6. Step 6: Final answer
    x = 4,989,147.68

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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.