Finding the Fourth Proportional to 16,170,982.40, 24,256,473.60 and 12,557,183.60
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Solution
The fourth proportional to 16,170,982.40, 24,256,473.60 and 12,557,183.60 is: 18,835,775.40
Step by Step Solution
- Step 1: Write the proportion equation
16,170,982.40 : 24,256,473.60 = 12,557,183.60 : x - Step 2: Convert to fraction form
16,170,982.40/24,256,473.60 = 12,557,183.60/x - Step 3: Cross multiply
16,170,982.40x = 24,256,473.60 × 12,557,183.60 - Step 4: Simplify right side
16,170,982.40x = 304,592,992,483,753 - Step 5: Solve for x
x = 304,592,992,483,753/16,170,982.40 - Step 6: Final answer
x = 18,835,775.40
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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.