Finding the Fourth Proportional to 7,169,170.87, 9,897,112.20 and 4,858,271.65
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Solution
The fourth proportional to 7,169,170.87, 9,897,112.20 and 4,858,271.65 is: 6,706,892.68
Step by Step Solution
- Step 1: Write the proportion equation
7,169,170.87 : 9,897,112.20 = 4,858,271.65 : x - Step 2: Convert to fraction form
7,169,170.87/9,897,112.20 = 4,858,271.65/x - Step 3: Cross multiply
7,169,170.87x = 9,897,112.20 × 4,858,271.65 - Step 4: Simplify right side
7,169,170.87x = 48,082,859,618,129.13 - Step 5: Solve for x
x = 48,082,859,618,129.13/7,169,170.87 - Step 6: Final answer
x = 6,706,892.68
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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.