Finding the Fourth Proportional to 11,603,175.50, 16,012,880.42 and 6,446,537.05
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Solution
The fourth proportional to 11,603,175.50, 16,012,880.42 and 6,446,537.05 is: 8,896,497.94
Step by Step Solution
- Step 1: Write the proportion equation
11,603,175.50 : 16,012,880.42 = 6,446,537.05 : x - Step 2: Convert to fraction form
11,603,175.50/16,012,880.42 = 6,446,537.05/x - Step 3: Cross multiply
11,603,175.50x = 16,012,880.42 × 6,446,537.05 - Step 4: Simplify right side
11,603,175.50x = 103,227,626,904,749.56 - Step 5: Solve for x
x = 103,227,626,904,749.56/11,603,175.50 - Step 6: Final answer
x = 8,896,497.94
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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.