Finding the Fourth Proportional to 10,246,689.44, 15,369,480.12 and 5,197,868.72
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Solution
The fourth proportional to 10,246,689.44, 15,369,480.12 and 5,197,868.72 is: 7,796,522.03
Step by Step Solution
- Step 1: Write the proportion equation
10,246,689.44 : 15,369,480.12 = 5,197,868.72 : x - Step 2: Convert to fraction form
10,246,689.44/15,369,480.12 = 5,197,868.72/x - Step 3: Cross multiply
10,246,689.44x = 15,369,480.12 × 5,197,868.72 - Step 4: Simplify right side
10,246,689.44x = 79,888,539,958,409.84 - Step 5: Solve for x
x = 79,888,539,958,409.84/10,246,689.44 - Step 6: Final answer
x = 7,796,522.03
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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.