Finding the Fourth Proportional to 33,874,918.63, 46,747,812.87 and 18,405,261.61
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Solution
The fourth proportional to 33,874,918.63, 46,747,812.87 and 18,405,261.61 is: 25,399,492.02
Step by Step Solution
- Step 1: Write the proportion equation
33,874,918.63 : 46,747,812.87 = 18,405,261.61 : x - Step 2: Convert to fraction form
33,874,918.63/46,747,812.87 = 18,405,261.61/x - Step 3: Cross multiply
33,874,918.63x = 46,747,812.87 × 18,405,261.61 - Step 4: Simplify right side
33,874,918.63x = 860,405,725,450,805.38 - Step 5: Solve for x
x = 860,405,725,450,805.38/33,874,918.63 - Step 6: Final answer
x = 25,399,492.02
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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.