Finding the Fourth Proportional to 11,878,706.48, 16,392,625.44 and 6,446,198.48
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Solution
The fourth proportional to 11,878,706.48, 16,392,625.44 and 6,446,198.48 is: 8,895,759.60
Step by Step Solution
- Step 1: Write the proportion equation
11,878,706.48 : 16,392,625.44 = 6,446,198.48 : x - Step 2: Convert to fraction form
11,878,706.48/16,392,625.44 = 6,446,198.48/x - Step 3: Cross multiply
11,878,706.48x = 16,392,625.44 × 6,446,198.48 - Step 4: Simplify right side
11,878,706.48x = 105,670,117,194,537.33 - Step 5: Solve for x
x = 105,670,117,194,537.33/11,878,706.48 - Step 6: Final answer
x = 8,895,759.60
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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.