Finding the Fourth Proportional to 11,277,736.53, 15,591,738.69 and 8,332,908.98
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Solution
The fourth proportional to 11,277,736.53, 15,591,738.69 and 8,332,908.98 is: 11,520,444.64
Step by Step Solution
- Step 1: Write the proportion equation
11,277,736.53 : 15,591,738.69 = 8,332,908.98 : x - Step 2: Convert to fraction form
11,277,736.53/15,591,738.69 = 8,332,908.98/x - Step 3: Cross multiply
11,277,736.53x = 15,591,738.69 × 8,332,908.98 - Step 4: Simplify right side
11,277,736.53x = 129,924,539,343,714.44 - Step 5: Solve for x
x = 129,924,539,343,714.44/11,277,736.53 - Step 6: Final answer
x = 11,520,444.64
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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.