Finding the Fourth Proportional to 10,994,282.20, 16,497,328.20 and 4,605,180.40
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Solution
The fourth proportional to 10,994,282.20, 16,497,328.20 and 4,605,180.40 is: 6,910,243.99
Step by Step Solution
- Step 1: Write the proportion equation
10,994,282.20 : 16,497,328.20 = 4,605,180.40 : x - Step 2: Convert to fraction form
10,994,282.20/16,497,328.20 = 4,605,180.40/x - Step 3: Cross multiply
10,994,282.20x = 16,497,328.20 × 4,605,180.40 - Step 4: Simplify right side
10,994,282.20x = 75,973,172,479,007.28 - Step 5: Solve for x
x = 75,973,172,479,007.28/10,994,282.20 - Step 6: Final answer
x = 6,910,243.99
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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.