Finding the Fourth Proportional to 29,917,396.53, 41,278,974.95 and 18,156,403.99
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Solution
The fourth proportional to 29,917,396.53, 41,278,974.95 and 18,156,403.99 is: 25,051,569.74
Step by Step Solution
- Step 1: Write the proportion equation
29,917,396.53 : 41,278,974.95 = 18,156,403.99 : x - Step 2: Convert to fraction form
29,917,396.53/41,278,974.95 = 18,156,403.99/x - Step 3: Cross multiply
29,917,396.53x = 41,278,974.95 × 18,156,403.99 - Step 4: Simplify right side
29,917,396.53x = 749,477,745,485,290 - Step 5: Solve for x
x = 749,477,745,485,290/29,917,396.53 - Step 6: Final answer
x = 25,051,569.74
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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.