Finding the Fourth Proportional to 33,640,984.40, 46,424,577.03 and 18,171,068.99
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Solution
The fourth proportional to 33,640,984.40, 46,424,577.03 and 18,171,068.99 is: 25,076,085.23
Step by Step Solution
- Step 1: Write the proportion equation
33,640,984.40 : 46,424,577.03 = 18,171,068.99 : x - Step 2: Convert to fraction form
33,640,984.40/46,424,577.03 = 18,171,068.99/x - Step 3: Cross multiply
33,640,984.40x = 46,424,577.03 × 18,171,068.99 - Step 4: Simplify right side
33,640,984.40x = 843,584,191,743,434.88 - Step 5: Solve for x
x = 843,584,191,743,434.88/33,640,984.40 - Step 6: Final answer
x = 25,076,085.23
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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.