Finding the Fourth Proportional to 33,863,837.12, 46,732,447.20 and 18,394,224.32
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Solution
The fourth proportional to 33,863,837.12, 46,732,447.20 and 18,394,224.32 is: 25,384,220.75
Step by Step Solution
- Step 1: Write the proportion equation
33,863,837.12 : 46,732,447.20 = 18,394,224.32 : x - Step 2: Convert to fraction form
33,863,837.12/46,732,447.20 = 18,394,224.32/x - Step 3: Cross multiply
33,863,837.12x = 46,732,447.20 × 18,394,224.32 - Step 4: Simplify right side
33,863,837.12x = 859,607,116,819,356 - Step 5: Solve for x
x = 859,607,116,819,356/33,863,837.12 - Step 6: Final answer
x = 25,384,220.75
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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.