Finding the Fourth Proportional to 23,239,213.28, 32,076,866.80 and 15,504,236.48
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Solution
The fourth proportional to 23,239,213.28, 32,076,866.80 and 15,504,236.48 is: 21,400,351.31
Step by Step Solution
- Step 1: Write the proportion equation
23,239,213.28 : 32,076,866.80 = 15,504,236.48 : x - Step 2: Convert to fraction form
23,239,213.28/32,076,866.80 = 15,504,236.48/x - Step 3: Cross multiply
23,239,213.28x = 32,076,866.80 × 15,504,236.48 - Step 4: Simplify right side
23,239,213.28x = 497,327,328,404,660.88 - Step 5: Solve for x
x = 497,327,328,404,660.88/23,239,213.28 - Step 6: Final answer
x = 21,400,351.31
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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.