Finding the Fourth Proportional to 17,987,059.11, 24,830,247.77 and 11,469,449.19
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Solution
The fourth proportional to 17,987,059.11, 24,830,247.77 and 11,469,449.19 is: 15,833,008.80
Step by Step Solution
- Step 1: Write the proportion equation
17,987,059.11 : 24,830,247.77 = 11,469,449.19 : x - Step 2: Convert to fraction form
17,987,059.11/24,830,247.77 = 11,469,449.19/x - Step 3: Cross multiply
17,987,059.11x = 24,830,247.77 × 11,469,449.19 - Step 4: Simplify right side
17,987,059.11x = 284,789,265,173,125.81 - Step 5: Solve for x
x = 284,789,265,173,125.81/17,987,059.11 - Step 6: Final answer
x = 15,833,008.80
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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.