Finding the Fourth Proportional to 7,541,617.68, 10,407,558.60 and 4,103,911.44
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Solution
The fourth proportional to 7,541,617.68, 10,407,558.60 and 4,103,911.44 is: 5,663,466.46
Step by Step Solution
- Step 1: Write the proportion equation
7,541,617.68 : 10,407,558.60 = 4,103,911.44 : x - Step 2: Convert to fraction form
7,541,617.68/10,407,558.60 = 4,103,911.44/x - Step 3: Cross multiply
7,541,617.68x = 10,407,558.60 × 4,103,911.44 - Step 4: Simplify right side
7,541,617.68x = 42,711,698,801,010.38 - Step 5: Solve for x
x = 42,711,698,801,010.38/7,541,617.68 - Step 6: Final answer
x = 5,663,466.46
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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.