Finding the Fourth Proportional to 19,763,950.13, 27,274,245.11 and 11,062,120.43
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Solution
The fourth proportional to 19,763,950.13, 27,274,245.11 and 11,062,120.43 is: 15,265,722.80
Step by Step Solution
- Step 1: Write the proportion equation
19,763,950.13 : 27,274,245.11 = 11,062,120.43 : x - Step 2: Convert to fraction form
19,763,950.13/27,274,245.11 = 11,062,120.43/x - Step 3: Cross multiply
19,763,950.13x = 27,274,245.11 × 11,062,120.43 - Step 4: Simplify right side
19,763,950.13x = 301,710,984,098,516.56 - Step 5: Solve for x
x = 301,710,984,098,516.56/19,763,950.13 - Step 6: Final answer
x = 15,265,722.80
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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.