Finding the Fourth Proportional to 7,436,986.34, 11,160,198.58 and 3,177,186.62
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Solution
The fourth proportional to 7,436,986.34, 11,160,198.58 and 3,177,186.62 is: 4,767,795.99
Step by Step Solution
- Step 1: Write the proportion equation
7,436,986.34 : 11,160,198.58 = 3,177,186.62 : x - Step 2: Convert to fraction form
7,436,986.34/11,160,198.58 = 3,177,186.62/x - Step 3: Cross multiply
7,436,986.34x = 11,160,198.58 × 3,177,186.62 - Step 4: Simplify right side
7,436,986.34x = 35,458,033,634,855.29 - Step 5: Solve for x
x = 35,458,033,634,855.29/7,436,986.34 - Step 6: Final answer
x = 4,767,795.99
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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.