Finding the Fourth Proportional to 19,796,940.21, 27,320,848.25 and 11,097,907.14
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Solution
The fourth proportional to 19,796,940.21, 27,320,848.25 and 11,097,907.14 is: 15,315,712.10
Step by Step Solution
- Step 1: Write the proportion equation
19,796,940.21 : 27,320,848.25 = 11,097,907.14 : x - Step 2: Convert to fraction form
19,796,940.21/27,320,848.25 = 11,097,907.14/x - Step 3: Cross multiply
19,796,940.21x = 27,320,848.25 × 11,097,907.14 - Step 4: Simplify right side
19,796,940.21x = 303,204,236,809,042 - Step 5: Solve for x
x = 303,204,236,809,042/19,796,940.21 - Step 6: Final answer
x = 15,315,712.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.