Finding the Fourth Proportional to 10,305,119.08, 15,458,175.74 and 3,388,445.32
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Solution
The fourth proportional to 10,305,119.08, 15,458,175.74 and 3,388,445.32 is: 5,082,831.44
Step by Step Solution
- Step 1: Write the proportion equation
10,305,119.08 : 15,458,175.74 = 3,388,445.32 : x - Step 2: Convert to fraction form
10,305,119.08/15,458,175.74 = 3,388,445.32/x - Step 3: Cross multiply
10,305,119.08x = 15,458,175.74 × 3,388,445.32 - Step 4: Simplify right side
10,305,119.08x = 52,379,183,241,940.53 - Step 5: Solve for x
x = 52,379,183,241,940.53/10,305,119.08 - Step 6: Final answer
x = 5,082,831.44
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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.