Finding the Fourth Proportional to 12,354,469.96, 17,049,797.82 and 7,125,533.58
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Solution
The fourth proportional to 12,354,469.96, 17,049,797.82 and 7,125,533.58 is: 9,833,599.28
Step by Step Solution
- Step 1: Write the proportion equation
12,354,469.96 : 17,049,797.82 = 7,125,533.58 : x - Step 2: Convert to fraction form
12,354,469.96/17,049,797.82 = 7,125,533.58/x - Step 3: Cross multiply
12,354,469.96x = 17,049,797.82 × 7,125,533.58 - Step 4: Simplify right side
12,354,469.96x = 121,488,906,898,620.80 - Step 5: Solve for x
x = 121,488,906,898,620.80/12,354,469.96 - Step 6: Final answer
x = 9,833,599.28
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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.