Finding the Fourth Proportional to 10,156,286.44, 15,232,407.90 and 4,763,552.68
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Solution
The fourth proportional to 10,156,286.44, 15,232,407.90 and 4,763,552.68 is: 7,144,380.76
Step by Step Solution
- Step 1: Write the proportion equation
10,156,286.44 : 15,232,407.90 = 4,763,552.68 : x - Step 2: Convert to fraction form
10,156,286.44/15,232,407.90 = 4,763,552.68/x - Step 3: Cross multiply
10,156,286.44x = 15,232,407.90 × 4,763,552.68 - Step 4: Simplify right side
10,156,286.44x = 72,560,377,474,898.17 - Step 5: Solve for x
x = 72,560,377,474,898.17/10,156,286.44 - Step 6: Final answer
x = 7,144,380.76
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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.