Finding the Fourth Proportional to 7,908,170.44, 11,859,930.30 and 3,359,183.08
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Solution
The fourth proportional to 7,908,170.44, 11,859,930.30 and 3,359,183.08 is: 5,037,786.87
Step by Step Solution
- Step 1: Write the proportion equation
7,908,170.44 : 11,859,930.30 = 3,359,183.08 : x - Step 2: Convert to fraction form
7,908,170.44/11,859,930.30 = 3,359,183.08/x - Step 3: Cross multiply
7,908,170.44x = 11,859,930.30 × 3,359,183.08 - Step 4: Simplify right side
7,908,170.44x = 39,839,677,193,739.33 - Step 5: Solve for x
x = 39,839,677,193,739.33/7,908,170.44 - Step 6: Final answer
x = 5,037,786.87
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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.