Finding the Fourth Proportional to 11,972,166.63, 16,521,589.34 and 6,465,540.99
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Solution
The fourth proportional to 11,972,166.63, 16,521,589.34 and 6,465,540.99 is: 8,922,446.24
Step by Step Solution
- Step 1: Write the proportion equation
11,972,166.63 : 16,521,589.34 = 6,465,540.99 : x - Step 2: Convert to fraction form
11,972,166.63/16,521,589.34 = 6,465,540.99/x - Step 3: Cross multiply
11,972,166.63x = 16,521,589.34 × 6,465,540.99 - Step 4: Simplify right side
11,972,166.63x = 106,821,013,151,591.08 - Step 5: Solve for x
x = 106,821,013,151,591.08/11,972,166.63 - Step 6: Final answer
x = 8,922,446.24
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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.