Finding the Fourth Proportional to 10,784,766.36, 14,883,344.82 and 6,378,269.34
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Solution
The fourth proportional to 10,784,766.36, 14,883,344.82 and 6,378,269.34 is: 8,802,228.88
Step by Step Solution
- Step 1: Write the proportion equation
10,784,766.36 : 14,883,344.82 = 6,378,269.34 : x - Step 2: Convert to fraction form
10,784,766.36/14,883,344.82 = 6,378,269.34/x - Step 3: Cross multiply
10,784,766.36x = 14,883,344.82 × 6,378,269.34 - Step 4: Simplify right side
10,784,766.36x = 94,929,981,942,053.81 - Step 5: Solve for x
x = 94,929,981,942,053.81/10,784,766.36 - Step 6: Final answer
x = 8,802,228.88
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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.