Finding the Fourth Proportional to 14,439,192.44, 19,925,514.61 and 8,634,515.36
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Solution
The fourth proportional to 14,439,192.44, 19,925,514.61 and 8,634,515.36 is: 11,915,289.76
Step by Step Solution
- Step 1: Write the proportion equation
14,439,192.44 : 19,925,514.61 = 8,634,515.36 : x - Step 2: Convert to fraction form
14,439,192.44/19,925,514.61 = 8,634,515.36/x - Step 3: Cross multiply
14,439,192.44x = 19,925,514.61 × 8,634,515.36 - Step 4: Simplify right side
14,439,192.44x = 172,047,161,834,735.56 - Step 5: Solve for x
x = 172,047,161,834,735.56/14,439,192.44 - Step 6: Final answer
x = 11,915,289.76
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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.