Finding the Fourth Proportional to 22,901,367.33, 31,603,910.67 and 12,587,868.99
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Solution
The fourth proportional to 22,901,367.33, 31,603,910.67 and 12,587,868.99 is: 17,371,272.26
Step by Step Solution
- Step 1: Write the proportion equation
22,901,367.33 : 31,603,910.67 = 12,587,868.99 : x - Step 2: Convert to fraction form
22,901,367.33/31,603,910.67 = 12,587,868.99/x - Step 3: Cross multiply
22,901,367.33x = 31,603,910.67 × 12,587,868.99 - Step 4: Simplify right side
22,901,367.33x = 397,825,887,085,623.12 - Step 5: Solve for x
x = 397,825,887,085,623.12/22,901,367.33 - Step 6: Final answer
x = 17,371,272.26
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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.