Finding the Fourth Proportional to 7,518,276.18, 10,375,231.14 and 4,080,517.65
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Solution
The fourth proportional to 7,518,276.18, 10,375,231.14 and 4,080,517.65 is: 5,631,119.79
Step by Step Solution
- Step 1: Write the proportion equation
7,518,276.18 : 10,375,231.14 = 4,080,517.65 : x - Step 2: Convert to fraction form
7,518,276.18/10,375,231.14 = 4,080,517.65/x - Step 3: Cross multiply
7,518,276.18x = 10,375,231.14 × 4,080,517.65 - Step 4: Simplify right side
7,518,276.18x = 42,336,313,789,599.62 - Step 5: Solve for x
x = 42,336,313,789,599.62/7,518,276.18 - Step 6: Final answer
x = 5,631,119.79
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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.