Finding the Fourth Proportional to 12,796,632.16, 19,194,948.12 and 4,276,968.62
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Solution
The fourth proportional to 12,796,632.16, 19,194,948.12 and 4,276,968.62 is: 6,415,452.89
Step by Step Solution
- Step 1: Write the proportion equation
12,796,632.16 : 19,194,948.12 = 4,276,968.62 : x - Step 2: Convert to fraction form
12,796,632.16/19,194,948.12 = 4,276,968.62/x - Step 3: Cross multiply
12,796,632.16x = 19,194,948.12 × 4,276,968.62 - Step 4: Simplify right side
12,796,632.16x = 82,096,190,771,768 - Step 5: Solve for x
x = 82,096,190,771,768/12,796,632.16 - Step 6: Final answer
x = 6,415,452.89
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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.