Finding the Fourth Proportional to 12,476,999.51, 18,716,077.28 and 3,841,486.75
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Solution
The fourth proportional to 12,476,999.51, 18,716,077.28 and 3,841,486.75 is: 5,762,408.09
Step by Step Solution
- Step 1: Write the proportion equation
12,476,999.51 : 18,716,077.28 = 3,841,486.75 : x - Step 2: Convert to fraction form
12,476,999.51/18,716,077.28 = 3,841,486.75/x - Step 3: Cross multiply
12,476,999.51x = 18,716,077.28 × 3,841,486.75 - Step 4: Simplify right side
12,476,999.51x = 71,897,562,883,096.05 - Step 5: Solve for x
x = 71,897,562,883,096.05/12,476,999.51 - Step 6: Final answer
x = 5,762,408.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.