Finding the Fourth Proportional to 7,775,391.69, 11,662,300.08 and 2,096,190.09
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Solution
The fourth proportional to 7,775,391.69, 11,662,300.08 and 2,096,190.09 is: 3,144,072.84
Step by Step Solution
- Step 1: Write the proportion equation
7,775,391.69 : 11,662,300.08 = 2,096,190.09 : x - Step 2: Convert to fraction form
7,775,391.69/11,662,300.08 = 2,096,190.09/x - Step 3: Cross multiply
7,775,391.69x = 11,662,300.08 × 2,096,190.09 - Step 4: Simplify right side
7,775,391.69x = 24,446,397,854,302.21 - Step 5: Solve for x
x = 24,446,397,854,302.21/7,775,391.69 - Step 6: Final answer
x = 3,144,072.84
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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.