Finding the Fourth Proportional to 11,619,473.49, 16,034,551.47 and 6,320,992.75
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Solution
The fourth proportional to 11,619,473.49, 16,034,551.47 and 6,320,992.75 is: 8,722,794.86
Step by Step Solution
- Step 1: Write the proportion equation
11,619,473.49 : 16,034,551.47 = 6,320,992.75 : x - Step 2: Convert to fraction form
11,619,473.49/16,034,551.47 = 6,320,992.75/x - Step 3: Cross multiply
11,619,473.49x = 16,034,551.47 × 6,320,992.75 - Step 4: Simplify right side
11,619,473.49x = 101,354,283,591,371.84 - Step 5: Solve for x
x = 101,354,283,591,371.84/11,619,473.49 - Step 6: Final answer
x = 8,722,794.86
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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.