Finding the Fourth Proportional to 7,388,270.70, 11,082,406.05 and 6,378,532.80
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Solution
The fourth proportional to 7,388,270.70, 11,082,406.05 and 6,378,532.80 is: 9,567,799.20
Step by Step Solution
- Step 1: Write the proportion equation
7,388,270.70 : 11,082,406.05 = 6,378,532.80 : x - Step 2: Convert to fraction form
7,388,270.70/11,082,406.05 = 6,378,532.80/x - Step 3: Cross multiply
7,388,270.70x = 11,082,406.05 × 6,378,532.80 - Step 4: Simplify right side
7,388,270.70x = 70,689,490,492,843.44 - Step 5: Solve for x
x = 70,689,490,492,843.44/7,388,270.70 - Step 6: Final answer
x = 9,567,799.20
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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.