Finding the Fourth Proportional to 19,602,915.52, 27,048,059.12 and 11,452,578.88
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Solution
The fourth proportional to 19,602,915.52, 27,048,059.12 and 11,452,578.88 is: 15,802,242.80
Step by Step Solution
- Step 1: Write the proportion equation
19,602,915.52 : 27,048,059.12 = 11,452,578.88 : x - Step 2: Convert to fraction form
19,602,915.52/27,048,059.12 = 11,452,578.88/x - Step 3: Cross multiply
19,602,915.52x = 27,048,059.12 × 11,452,578.88 - Step 4: Simplify right side
19,602,915.52x = 309,770,030,622,703.44 - Step 5: Solve for x
x = 309,770,030,622,703.44/19,602,915.52 - Step 6: Final answer
x = 15,802,242.80
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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.