Finding the Fourth Proportional to 20,094,522.09, 27,735,861.03 and 13,125,051.87
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Solution
The fourth proportional to 20,094,522.09, 27,735,861.03 and 13,125,051.87 is: 18,116,112.09
Step by Step Solution
- Step 1: Write the proportion equation
20,094,522.09 : 27,735,861.03 = 13,125,051.87 : x - Step 2: Convert to fraction form
20,094,522.09/27,735,861.03 = 13,125,051.87/x - Step 3: Cross multiply
20,094,522.09x = 27,735,861.03 × 13,125,051.87 - Step 4: Simplify right side
20,094,522.09x = 364,034,614,677,861.62 - Step 5: Solve for x
x = 364,034,614,677,861.62/20,094,522.09 - Step 6: Final answer
x = 18,116,112.09
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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.