Finding the Fourth Proportional to 13,889,618.74, 19,161,304.80 and 8,996,414
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Solution
The fourth proportional to 13,889,618.74, 19,161,304.80 and 8,996,414 is: 12,410,926.03
Step by Step Solution
- Step 1: Write the proportion equation
13,889,618.74 : 19,161,304.80 = 8,996,414 : x - Step 2: Convert to fraction form
13,889,618.74/19,161,304.80 = 8,996,414/x - Step 3: Cross multiply
13,889,618.74x = 19,161,304.80 × 8,996,414 - Step 4: Simplify right side
13,889,618.74x = 172,383,030,760,987.22 - Step 5: Solve for x
x = 172,383,030,760,987.22/13,889,618.74 - Step 6: Final answer
x = 12,410,926.03
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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.