Finding the Fourth Proportional to 11,145,327.21, 15,382,232.72 and 6,796,935.95
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Solution
The fourth proportional to 11,145,327.21, 15,382,232.72 and 6,796,935.95 is: 9,380,796.87
Step by Step Solution
- Step 1: Write the proportion equation
11,145,327.21 : 15,382,232.72 = 6,796,935.95 : x - Step 2: Convert to fraction form
11,145,327.21/15,382,232.72 = 6,796,935.95/x - Step 3: Cross multiply
11,145,327.21x = 15,382,232.72 × 6,796,935.95 - Step 4: Simplify right side
11,145,327.21x = 104,552,050,598,142.08 - Step 5: Solve for x
x = 104,552,050,598,142.08/11,145,327.21 - Step 6: Final answer
x = 9,380,796.87
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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.