Finding the Fourth Proportional to 11,313,943.04, 15,612,941.92 and 6,157,193.60
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Solution
The fourth proportional to 11,313,943.04, 15,612,941.92 and 6,157,193.60 is: 8,496,764.19
Step by Step Solution
- Step 1: Write the proportion equation
11,313,943.04 : 15,612,941.92 = 6,157,193.60 : x - Step 2: Convert to fraction form
11,313,943.04/15,612,941.92 = 6,157,193.60/x - Step 3: Cross multiply
11,313,943.04x = 15,612,941.92 × 6,157,193.60 - Step 4: Simplify right side
11,313,943.04x = 96,131,906,066,995.70 - Step 5: Solve for x
x = 96,131,906,066,995.70/11,313,943.04 - Step 6: Final answer
x = 8,496,764.19
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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.