Finding the Fourth Proportional to 11,138,747.12, 16,708,133.56 and 3,051,792.96
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Solution
The fourth proportional to 11,138,747.12, 16,708,133.56 and 3,051,792.96 is: 4,577,692.97
Step by Step Solution
- Step 1: Write the proportion equation
11,138,747.12 : 16,708,133.56 = 3,051,792.96 : x - Step 2: Convert to fraction form
11,138,747.12/16,708,133.56 = 3,051,792.96/x - Step 3: Cross multiply
11,138,747.12x = 16,708,133.56 × 3,051,792.96 - Step 4: Simplify right side
11,138,747.12x = 50,989,764,373,147.74 - Step 5: Solve for x
x = 50,989,764,373,147.74/11,138,747.12 - Step 6: Final answer
x = 4,577,692.97
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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.