Finding the Fourth Proportional to 19,973,717.24, 27,563,720.46 and 11,273,714.60
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Solution
The fourth proportional to 19,973,717.24, 27,563,720.46 and 11,273,714.60 is: 15,557,720.88
Step by Step Solution
- Step 1: Write the proportion equation
19,973,717.24 : 27,563,720.46 = 11,273,714.60 : x - Step 2: Convert to fraction form
19,973,717.24/27,563,720.46 = 11,273,714.60/x - Step 3: Cross multiply
19,973,717.24x = 27,563,720.46 × 11,273,714.60 - Step 4: Simplify right side
19,973,717.24x = 310,745,517,780,220.69 - Step 5: Solve for x
x = 310,745,517,780,220.69/19,973,717.24 - Step 6: Final answer
x = 15,557,720.88
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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.