Finding the Fourth Proportional to 12,821,734.14, 19,232,618.99 and 3,723,857.88
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Solution
The fourth proportional to 12,821,734.14, 19,232,618.99 and 3,723,857.88 is: 5,585,791.98
Step by Step Solution
- Step 1: Write the proportion equation
12,821,734.14 : 19,232,618.99 = 3,723,857.88 : x - Step 2: Convert to fraction form
12,821,734.14/19,232,618.99 = 3,723,857.88/x - Step 3: Cross multiply
12,821,734.14x = 19,232,618.99 × 3,723,857.88 - Step 4: Simplify right side
12,821,734.14x = 71,619,539,778,949.14 - Step 5: Solve for x
x = 71,619,539,778,949.14/12,821,734.14 - Step 6: Final answer
x = 5,585,791.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.