Finding the Fourth Proportional to 11,603,764.17, 16,013,626.72 and 6,958,305.53
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Solution
The fourth proportional to 11,603,764.17, 16,013,626.72 and 6,958,305.53 is: 9,602,720.78
Step by Step Solution
- Step 1: Write the proportion equation
11,603,764.17 : 16,013,626.72 = 6,958,305.53 : x - Step 2: Convert to fraction form
11,603,764.17/16,013,626.72 = 6,958,305.53/x - Step 3: Cross multiply
11,603,764.17x = 16,013,626.72 × 6,958,305.53 - Step 4: Simplify right side
11,603,764.17x = 111,427,707,388,324.03 - Step 5: Solve for x
x = 111,427,707,388,324.03/11,603,764.17 - Step 6: Final answer
x = 9,602,720.78
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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.