Finding the Fourth Proportional to 15,522,120.18, 23,285,986.92 and 6,419,275.79
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Solution
The fourth proportional to 15,522,120.18, 23,285,986.92 and 6,419,275.79 is: 9,630,074.39
Step by Step Solution
- Step 1: Write the proportion equation
15,522,120.18 : 23,285,986.92 = 6,419,275.79 : x - Step 2: Convert to fraction form
15,522,120.18/23,285,986.92 = 6,419,275.79/x - Step 3: Cross multiply
15,522,120.18x = 23,285,986.92 × 6,419,275.79 - Step 4: Simplify right side
15,522,120.18x = 149,479,171,965,382.75 - Step 5: Solve for x
x = 149,479,171,965,382.75/15,522,120.18 - Step 6: Final answer
x = 9,630,074.39
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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.