Finding the Fourth Proportional to 7,119,691.63, 10,680,035.59 and 3,524,493.26
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Solution
The fourth proportional to 7,119,691.63, 10,680,035.59 and 3,524,493.26 is: 5,286,986.50
Step by Step Solution
- Step 1: Write the proportion equation
7,119,691.63 : 10,680,035.59 = 3,524,493.26 : x - Step 2: Convert to fraction form
7,119,691.63/10,680,035.59 = 3,524,493.26/x - Step 3: Cross multiply
7,119,691.63x = 10,680,035.59 × 3,524,493.26 - Step 4: Simplify right side
7,119,691.63x = 37,641,713,484,620.84 - Step 5: Solve for x
x = 37,641,713,484,620.84/7,119,691.63 - Step 6: Final answer
x = 5,286,986.50
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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.