Finding the Fourth Proportional to 27,181,968.47, 37,511,122.68 and 14,958,825.47
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Solution
The fourth proportional to 27,181,968.47, 37,511,122.68 and 14,958,825.47 is: 20,643,182.55
Step by Step Solution
- Step 1: Write the proportion equation
27,181,968.47 : 37,511,122.68 = 14,958,825.47 : x - Step 2: Convert to fraction form
27,181,968.47/37,511,122.68 = 14,958,825.47/x - Step 3: Cross multiply
27,181,968.47x = 37,511,122.68 × 14,958,825.47 - Step 4: Simplify right side
27,181,968.47x = 561,122,337,091,528.88 - Step 5: Solve for x
x = 561,122,337,091,528.88/27,181,968.47 - Step 6: Final answer
x = 20,643,182.55
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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.