Finding the Fourth Proportional to 7,783,631.87, 11,675,448.07 and 5,667,184.49
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Solution
The fourth proportional to 7,783,631.87, 11,675,448.07 and 5,667,184.49 is: 8,500,776.92
Step by Step Solution
- Step 1: Write the proportion equation
7,783,631.87 : 11,675,448.07 = 5,667,184.49 : x - Step 2: Convert to fraction form
7,783,631.87/11,675,448.07 = 5,667,184.49/x - Step 3: Cross multiply
7,783,631.87x = 11,675,448.07 × 5,667,184.49 - Step 4: Simplify right side
7,783,631.87x = 66,166,918,143,559.24 - Step 5: Solve for x
x = 66,166,918,143,559.24/7,783,631.87 - Step 6: Final answer
x = 8,500,776.92
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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.