Finding the Fourth Proportional to 11,747,295.44, 17,618,841.12 and 7,474,772.24
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Solution
The fourth proportional to 11,747,295.44, 17,618,841.12 and 7,474,772.24 is: 11,210,820.84
Step by Step Solution
- Step 1: Write the proportion equation
11,747,295.44 : 17,618,841.12 = 7,474,772.24 : x - Step 2: Convert to fraction form
11,747,295.44/17,618,841.12 = 7,474,772.24/x - Step 3: Cross multiply
11,747,295.44x = 17,618,841.12 × 7,474,772.24 - Step 4: Simplify right side
11,747,295.44x = 131,696,824,504,746.52 - Step 5: Solve for x
x = 131,696,824,504,746.52/11,747,295.44 - Step 6: Final answer
x = 11,210,820.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.