Home / 6,821,091.36-9,412,775.28-3,880,631.57

Finding the Fourth Proportional to 6,821,091.36, 9,412,775.28 and 3,880,631.57

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Solution

The fourth proportional to 6,821,091.36, 9,412,775.28 and 3,880,631.57 is: 5,355,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,091.36 : 9,412,775.28 = 3,880,631.57 : x
  2. Step 2: Convert to fraction form
    6,821,091.36/9,412,775.28 = 3,880,631.57/x
  3. Step 3: Cross multiply
    6,821,091.36x = 9,412,775.28 × 3,880,631.57
  4. Step 4: Simplify right side
    6,821,091.36x = 36,527,512,865,819.71
  5. Step 5: Solve for x
    x = 36,527,512,865,819.71/6,821,091.36
  6. Step 6: Final answer
    x = 5,355,083.36

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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.