Finding the Fourth Proportional to 7,278,096.68, 10,043,612.58 and 4,014,913.96
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Solution
The fourth proportional to 7,278,096.68, 10,043,612.58 and 4,014,913.96 is: 5,540,492.54
Step by Step Solution
- Step 1: Write the proportion equation
7,278,096.68 : 10,043,612.58 = 4,014,913.96 : x - Step 2: Convert to fraction form
7,278,096.68/10,043,612.58 = 4,014,913.96/x - Step 3: Cross multiply
7,278,096.68x = 10,043,612.58 × 4,014,913.96 - Step 4: Simplify right side
7,278,096.68x = 40,324,240,356,273.62 - Step 5: Solve for x
x = 40,324,240,356,273.62/7,278,096.68 - Step 6: Final answer
x = 5,540,492.54
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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.