Finding the Fourth Proportional to 10,148,476.26, 13,991,349.33 and 8,062,240.82
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Solution
The fourth proportional to 10,148,476.26, 13,991,349.33 and 8,062,240.82 is: 11,115,129.48
Step by Step Solution
- Step 1: Write the proportion equation
10,148,476.26 : 13,991,349.33 = 8,062,240.82 : x - Step 2: Convert to fraction form
10,148,476.26/13,991,349.33 = 8,062,240.82/x - Step 3: Cross multiply
10,148,476.26x = 13,991,349.33 × 8,062,240.82 - Step 4: Simplify right side
10,148,476.26x = 112,801,627,695,205.66 - Step 5: Solve for x
x = 112,801,627,695,205.66/10,148,476.26 - Step 6: Final answer
x = 11,115,129.48
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1.5x scale
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.