Finding the Fourth Proportional to 16,821,032.62, 23,213,034.35 and 9,086,074.99
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Solution
The fourth proportional to 16,821,032.62, 23,213,034.35 and 9,086,074.99 is: 12,538,788.53
Step by Step Solution
- Step 1: Write the proportion equation
16,821,032.62 : 23,213,034.35 = 9,086,074.99 : x - Step 2: Convert to fraction form
16,821,032.62/23,213,034.35 = 9,086,074.99/x - Step 3: Cross multiply
16,821,032.62x = 23,213,034.35 × 9,086,074.99 - Step 4: Simplify right side
16,821,032.62x = 210,915,370,849,545.94 - Step 5: Solve for x
x = 210,915,370,849,545.94/16,821,032.62 - Step 6: Final answer
x = 12,538,788.53
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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.