Finding the Fourth Proportional to 7,668,453.76, 10,582,096.88 and 4,183,585.12
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Solution
The fourth proportional to 7,668,453.76, 10,582,096.88 and 4,183,585.12 is: 5,773,145.99
Step by Step Solution
- Step 1: Write the proportion equation
7,668,453.76 : 10,582,096.88 = 4,183,585.12 : x - Step 2: Convert to fraction form
7,668,453.76/10,582,096.88 = 4,183,585.12/x - Step 3: Cross multiply
7,668,453.76x = 10,582,096.88 × 4,183,585.12 - Step 4: Simplify right side
7,668,453.76x = 44,271,103,045,566.43 - Step 5: Solve for x
x = 44,271,103,045,566.43/7,668,453.76 - Step 6: Final answer
x = 5,773,145.99
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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.