Finding the Fourth Proportional to 10,270,940.23, 14,188,661.41 and 8,203,241.08
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Solution
The fourth proportional to 10,270,940.23, 14,188,661.41 and 8,203,241.08 is: 11,332,264.38
Step by Step Solution
- Step 1: Write the proportion equation
10,270,940.23 : 14,188,661.41 = 8,203,241.08 : x - Step 2: Convert to fraction form
10,270,940.23/14,188,661.41 = 8,203,241.08/x - Step 3: Cross multiply
10,270,940.23x = 14,188,661.41 × 8,203,241.08 - Step 4: Simplify right side
10,270,940.23x = 116,393,010,161,331.53 - Step 5: Solve for x
x = 116,393,010,161,331.53/10,270,940.23 - Step 6: Final answer
x = 11,332,264.38
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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.