Finding the Fourth Proportional to 12,796,631.14, 19,194,946.62 and 4,276,967.62
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Solution
The fourth proportional to 12,796,631.14, 19,194,946.62 and 4,276,967.62 is: 6,415,451.40
Step by Step Solution
- Step 1: Write the proportion equation
12,796,631.14 : 19,194,946.62 = 4,276,967.62 : x - Step 2: Convert to fraction form
12,796,631.14/19,194,946.62 = 4,276,967.62/x - Step 3: Cross multiply
12,796,631.14x = 19,194,946.62 × 4,276,967.62 - Step 4: Simplify right side
12,796,631.14x = 82,096,165,161,368.45 - Step 5: Solve for x
x = 82,096,165,161,368.45/12,796,631.14 - Step 6: Final answer
x = 6,415,451.40
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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.