Finding the Fourth Proportional to 10,362,716.45, 15,544,074.68 and 8,197,878.05
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Solution
The fourth proportional to 10,362,716.45, 15,544,074.68 and 8,197,878.05 is: 12,296,817.08
Step by Step Solution
- Step 1: Write the proportion equation
10,362,716.45 : 15,544,074.68 = 8,197,878.05 : x - Step 2: Convert to fraction form
10,362,716.45/15,544,074.68 = 8,197,878.05/x - Step 3: Cross multiply
10,362,716.45x = 15,544,074.68 × 8,197,878.05 - Step 4: Simplify right side
10,362,716.45x = 127,428,428,626,732.77 - Step 5: Solve for x
x = 127,428,428,626,732.77/10,362,716.45 - Step 6: Final answer
x = 12,296,817.08
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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.