Home / 9,760,172.58-13,469,039.42-5,409,539.76

Finding the Fourth Proportional to 9,760,172.58, 13,469,039.42 and 5,409,539.76

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Solution

The fourth proportional to 9,760,172.58, 13,469,039.42 and 5,409,539.76 is: 7,465,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,172.58 : 13,469,039.42 = 5,409,539.76 : x
  2. Step 2: Convert to fraction form
    9,760,172.58/13,469,039.42 = 5,409,539.76/x
  3. Step 3: Cross multiply
    9,760,172.58x = 13,469,039.42 × 5,409,539.76
  4. Step 4: Simplify right side
    9,760,172.58x = 72,861,304,244,449.62
  5. Step 5: Solve for x
    x = 72,861,304,244,449.62/9,760,172.58
  6. Step 6: Final answer
    x = 7,465,165.56

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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.