Finding the Fourth Proportional to 38,830,366.26, 53,587,042.47 and 21,190,405.47
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Solution
The fourth proportional to 38,830,366.26, 53,587,042.47 and 21,190,405.47 is: 29,243,380.05
Step by Step Solution
- Step 1: Write the proportion equation
38,830,366.26 : 53,587,042.47 = 21,190,405.47 : x - Step 2: Convert to fraction form
38,830,366.26/53,587,042.47 = 21,190,405.47/x - Step 3: Cross multiply
38,830,366.26x = 53,587,042.47 × 21,190,405.47 - Step 4: Simplify right side
38,830,366.26x = 1,135,531,157,877,410.25 - Step 5: Solve for x
x = 1,135,531,157,877,410.25/38,830,366.26 - Step 6: Final answer
x = 29,243,380.05
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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.