Finding the Fourth Proportional to 13,233,765.09, 19,836,534.14 and 7,541,733.09
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Solution
The fourth proportional to 13,233,765.09, 19,836,534.14 and 7,541,733.09 is: 11,304,556.55
Step by Step Solution
- Step 1: Write the proportion equation
13,233,765.09 : 19,836,534.14 = 7,541,733.09 : x - Step 2: Convert to fraction form
13,233,765.09/19,836,534.14 = 7,541,733.09/x - Step 3: Cross multiply
13,233,765.09x = 19,836,534.14 × 7,541,733.09 - Step 4: Simplify right side
13,233,765.09x = 149,601,845,876,844.03 - Step 5: Solve for x
x = 149,601,845,876,844.03/13,233,765.09 - Step 6: Final answer
x = 11,304,556.55
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1.5x scale
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.