Home / 7,877,133.38-11,816,069.44-3,828,795.50

Finding the Fourth Proportional to 7,877,133.38, 11,816,069.44 and 3,828,795.50

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Solution

The fourth proportional to 7,877,133.38, 11,816,069.44 and 3,828,795.50 is: 5,743,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,133.38 : 11,816,069.44 = 3,828,795.50 : x
  2. Step 2: Convert to fraction form
    7,877,133.38/11,816,069.44 = 3,828,795.50/x
  3. Step 3: Cross multiply
    7,877,133.38x = 11,816,069.44 × 3,828,795.50
  4. Step 4: Simplify right side
    7,877,133.38x = 45,241,313,519,527.70
  5. Step 5: Solve for x
    x = 45,241,313,519,527.70/7,877,133.38
  6. Step 6: Final answer
    x = 5,743,372.79

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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.