Finding the Fourth Proportional to 8,477,153.21, 11,698,337.99 and 4,609,640.54
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Solution
The fourth proportional to 8,477,153.21, 11,698,337.99 and 4,609,640.54 is: 6,361,231.39
Step by Step Solution
- Step 1: Write the proportion equation
8,477,153.21 : 11,698,337.99 = 4,609,640.54 : x - Step 2: Convert to fraction form
8,477,153.21/11,698,337.99 = 4,609,640.54/x - Step 3: Cross multiply
8,477,153.21x = 11,698,337.99 × 4,609,640.54 - Step 4: Simplify right side
8,477,153.21x = 53,925,133,090,096.06 - Step 5: Solve for x
x = 53,925,133,090,096.06/8,477,153.21 - Step 6: Final answer
x = 6,361,231.39
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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.