Finding the Fourth Proportional to 32,138,881.45, 44,354,391.71 and 18,202,715.69
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Solution
The fourth proportional to 32,138,881.45, 44,354,391.71 and 18,202,715.69 is: 25,121,296.86
Step by Step Solution
- Step 1: Write the proportion equation
32,138,881.45 : 44,354,391.71 = 18,202,715.69 : x - Step 2: Convert to fraction form
32,138,881.45/44,354,391.71 = 18,202,715.69/x - Step 3: Cross multiply
32,138,881.45x = 44,354,391.71 × 18,202,715.69 - Step 4: Simplify right side
32,138,881.45x = 807,370,381,723,757.62 - Step 5: Solve for x
x = 807,370,381,723,757.62/32,138,881.45 - Step 6: Final answer
x = 25,121,296.86
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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.