Finding the Fourth Proportional to 11,133,602.20, 16,700,403.30 and 7,351,355.80
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Solution
The fourth proportional to 11,133,602.20, 16,700,403.30 and 7,351,355.80 is: 11,027,033.70
Step by Step Solution
- Step 1: Write the proportion equation
11,133,602.20 : 16,700,403.30 = 7,351,355.80 : x - Step 2: Convert to fraction form
11,133,602.20/16,700,403.30 = 7,351,355.80/x - Step 3: Cross multiply
11,133,602.20x = 16,700,403.30 × 7,351,355.80 - Step 4: Simplify right side
11,133,602.20x = 122,770,606,661,794.14 - Step 5: Solve for x
x = 122,770,606,661,794.14/11,133,602.20 - Step 6: Final answer
x = 11,027,033.70
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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.