Finding the Fourth Proportional to 16,816,268.86, 23,206,450.79 and 9,081,310.95
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Solution
The fourth proportional to 16,816,268.86, 23,206,450.79 and 9,081,310.95 is: 12,532,208.99
Step by Step Solution
- Step 1: Write the proportion equation
16,816,268.86 : 23,206,450.79 = 9,081,310.95 : x - Step 2: Convert to fraction form
16,816,268.86/23,206,450.79 = 9,081,310.95/x - Step 3: Cross multiply
16,816,268.86x = 23,206,450.79 × 9,081,310.95 - Step 4: Simplify right side
16,816,268.86x = 210,744,995,692,566.41 - Step 5: Solve for x
x = 210,744,995,692,566.41/16,816,268.86 - Step 6: Final answer
x = 12,532,208.99
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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.