Finding the Fourth Proportional to 7,158,682.06, 10,738,045.16 and 1,767,333.09
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Solution
The fourth proportional to 7,158,682.06, 10,738,045.16 and 1,767,333.09 is: 2,651,005.09
Step by Step Solution
- Step 1: Write the proportion equation
7,158,682.06 : 10,738,045.16 = 1,767,333.09 : x - Step 2: Convert to fraction form
7,158,682.06/10,738,045.16 = 1,767,333.09/x - Step 3: Cross multiply
7,158,682.06x = 10,738,045.16 × 1,767,333.09 - Step 4: Simplify right side
7,158,682.06x = 18,977,702,571,240.85 - Step 5: Solve for x
x = 18,977,702,571,240.85/7,158,682.06 - Step 6: Final answer
x = 2,651,005.09
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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.