Finding the Fourth Proportional to 27,181,967.96, 37,511,121.98 and 14,958,824.96
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Solution
The fourth proportional to 27,181,967.96, 37,511,121.98 and 14,958,824.96 is: 20,643,181.86
Step by Step Solution
- Step 1: Write the proportion equation
27,181,967.96 : 37,511,121.98 = 14,958,824.96 : x - Step 2: Convert to fraction form
27,181,967.96/37,511,121.98 = 14,958,824.96/x - Step 3: Cross multiply
27,181,967.96x = 37,511,121.98 × 14,958,824.96 - Step 4: Simplify right side
27,181,967.96x = 561,122,307,883,203.50 - Step 5: Solve for x
x = 561,122,307,883,203.50/27,181,967.96 - Step 6: Final answer
x = 20,643,181.86
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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.