Finding the Fourth Proportional to 11,360,452.44, 15,678,769.66 and 6,399,057.08
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Solution
The fourth proportional to 11,360,452.44, 15,678,769.66 and 6,399,057.08 is: 8,831,456.54
Step by Step Solution
- Step 1: Write the proportion equation
11,360,452.44 : 15,678,769.66 = 6,399,057.08 : x - Step 2: Convert to fraction form
11,360,452.44/15,678,769.66 = 6,399,057.08/x - Step 3: Cross multiply
11,360,452.44x = 15,678,769.66 × 6,399,057.08 - Step 4: Simplify right side
11,360,452.44x = 100,329,341,998,512.19 - Step 5: Solve for x
x = 100,329,341,998,512.19/11,360,452.44 - Step 6: Final answer
x = 8,831,456.54
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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.