Finding the Fourth Proportional to 12,796,629.16, 19,194,943.62 and 4,276,965.62
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Solution
The fourth proportional to 12,796,629.16, 19,194,943.62 and 4,276,965.62 is: 6,415,448.39
Step by Step Solution
- Step 1: Write the proportion equation
12,796,629.16 : 19,194,943.62 = 4,276,965.62 : x - Step 2: Convert to fraction form
12,796,629.16/19,194,943.62 = 4,276,965.62/x - Step 3: Cross multiply
12,796,629.16x = 19,194,943.62 × 4,276,965.62 - Step 4: Simplify right side
12,796,629.16x = 82,096,113,940,578.34 - Step 5: Solve for x
x = 82,096,113,940,578.34/12,796,629.16 - Step 6: Final answer
x = 6,415,448.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.