Finding the Fourth Proportional to 9,641,556.11, 13,305,310.92 and 5,290,715.21
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Solution
The fourth proportional to 9,641,556.11, 13,305,310.92 and 5,290,715.21 is: 7,301,166.95
Step by Step Solution
- Step 1: Write the proportion equation
9,641,556.11 : 13,305,310.92 = 5,290,715.21 : x - Step 2: Convert to fraction form
9,641,556.11/13,305,310.92 = 5,290,715.21/x - Step 3: Cross multiply
9,641,556.11x = 13,305,310.92 × 5,290,715.21 - Step 4: Simplify right side
9,641,556.11x = 70,394,610,858,223.09 - Step 5: Solve for x
x = 70,394,610,858,223.09/9,641,556.11 - Step 6: Final answer
x = 7,301,166.95
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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.