Finding the Fourth Proportional to 11,274,745.78, 15,558,933.36 and 6,379,878.79
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Solution
The fourth proportional to 11,274,745.78, 15,558,933.36 and 6,379,878.79 is: 8,804,110.61
Step by Step Solution
- Step 1: Write the proportion equation
11,274,745.78 : 15,558,933.36 = 6,379,878.79 : x - Step 2: Convert to fraction form
11,274,745.78/15,558,933.36 = 6,379,878.79/x - Step 3: Cross multiply
11,274,745.78x = 15,558,933.36 × 6,379,878.79 - Step 4: Simplify right side
11,274,745.78x = 99,264,108,938,487.44 - Step 5: Solve for x
x = 99,264,108,938,487.44/11,274,745.78 - Step 6: Final answer
x = 8,804,110.61
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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.