Finding the Fourth Proportional to 10,376,560.95, 15,574,286.64 and 5,522,942.28
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Solution
The fourth proportional to 10,376,560.95, 15,574,286.64 and 5,522,942.28 is: 8,289,440.65
Step by Step Solution
- Step 1: Write the proportion equation
10,376,560.95 : 15,574,286.64 = 5,522,942.28 : x - Step 2: Convert to fraction form
10,376,560.95/15,574,286.64 = 5,522,942.28/x - Step 3: Cross multiply
10,376,560.95x = 15,574,286.64 × 5,522,942.28 - Step 4: Simplify right side
10,376,560.95x = 86,015,886,164,895.14 - Step 5: Solve for x
x = 86,015,886,164,895.14/10,376,560.95 - Step 6: Final answer
x = 8,289,440.65
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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.