Finding the Fourth Proportional to 16,816,271.97, 23,206,455.11 and 9,081,313.61
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Solution
The fourth proportional to 16,816,271.97, 23,206,455.11 and 9,081,313.61 is: 12,532,212.66
Step by Step Solution
- Step 1: Write the proportion equation
16,816,271.97 : 23,206,455.11 = 9,081,313.61 : x - Step 2: Convert to fraction form
16,816,271.97/23,206,455.11 = 9,081,313.61/x - Step 3: Cross multiply
16,816,271.97x = 23,206,455.11 × 9,081,313.61 - Step 4: Simplify right side
16,816,271.97x = 210,745,096,468,858.22 - Step 5: Solve for x
x = 210,745,096,468,858.22/16,816,271.97 - Step 6: Final answer
x = 12,532,212.66
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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.