Finding the Fourth Proportional to 23,771,809.51, 32,805,908.08 and 13,318,266.62
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Solution
The fourth proportional to 23,771,809.51, 32,805,908.08 and 13,318,266.62 is: 18,379,662.28
Step by Step Solution
- Step 1: Write the proportion equation
23,771,809.51 : 32,805,908.08 = 13,318,266.62 : x - Step 2: Convert to fraction form
23,771,809.51/32,805,908.08 = 13,318,266.62/x - Step 3: Cross multiply
23,771,809.51x = 32,805,908.08 × 13,318,266.62 - Step 4: Simplify right side
23,771,809.51x = 436,917,830,569,371.44 - Step 5: Solve for x
x = 436,917,830,569,371.44/23,771,809.51 - Step 6: Final answer
x = 18,379,662.28
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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.