Finding the Fourth Proportional to 11,789,125.75, 16,268,991.02 and 6,562,021.19
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Solution
The fourth proportional to 11,789,125.75, 16,268,991.02 and 6,562,021.19 is: 9,055,587.85
Step by Step Solution
- Step 1: Write the proportion equation
11,789,125.75 : 16,268,991.02 = 6,562,021.19 : x - Step 2: Convert to fraction form
11,789,125.75/16,268,991.02 = 6,562,021.19/x - Step 3: Cross multiply
11,789,125.75x = 16,268,991.02 × 6,562,021.19 - Step 4: Simplify right side
11,789,125.75x = 106,757,463,813,159.72 - Step 5: Solve for x
x = 106,757,463,813,159.72/11,789,125.75 - Step 6: Final answer
x = 9,055,587.85
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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.