Home / 6,881,960.16-9,494,377.20-3,980,812.32

Finding the Fourth Proportional to 6,881,960.16, 9,494,377.20 and 3,980,812.32

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Solution

The fourth proportional to 6,881,960.16, 9,494,377.20 and 3,980,812.32 is: 5,491,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881,960.16 : 9,494,377.20 = 3,980,812.32 : x
  2. Step 2: Convert to fraction form
    6,881,960.16/9,494,377.20 = 3,980,812.32/x
  3. Step 3: Cross multiply
    6,881,960.16x = 9,494,377.20 × 3,980,812.32
  4. Step 4: Simplify right side
    6,881,960.16x = 37,795,333,728,487.10
  5. Step 5: Solve for x
    x = 37,795,333,728,487.10/6,881,960.16
  6. Step 6: Final answer
    x = 5,491,943.12

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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.