Finding the Fourth Proportional to 18,345,745.92, 27,558,432 and 15,511,549.44
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Solution
The fourth proportional to 18,345,745.92, 27,558,432 and 15,511,549.44 is: 23,300,986.63
Step by Step Solution
- Step 1: Write the proportion equation
18,345,745.92 : 27,558,432 = 15,511,549.44 : x - Step 2: Convert to fraction form
18,345,745.92/27,558,432 = 15,511,549.44/x - Step 3: Cross multiply
18,345,745.92x = 27,558,432 × 15,511,549.44 - Step 4: Simplify right side
18,345,745.92x = 427,473,980,456,878.06 - Step 5: Solve for x
x = 427,473,980,456,878.06/18,345,745.92 - Step 6: Final answer
x = 23,300,986.63
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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.