Finding the Fourth Proportional to 5,929,847.07, 8,166,217.05 and 5,560,343.31
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Solution
The fourth proportional to 5,929,847.07, 8,166,217.05 and 5,560,343.31 is: 7,657,359.42
Step by Step Solution
- Step 1: Write the proportion equation
5,929,847.07 : 8,166,217.05 = 5,560,343.31 : x - Step 2: Convert to fraction form
5,929,847.07/8,166,217.05 = 5,560,343.31/x - Step 3: Cross multiply
5,929,847.07x = 8,166,217.05 × 5,560,343.31 - Step 4: Simplify right side
5,929,847.07x = 45,406,970,341,975.43 - Step 5: Solve for x
x = 45,406,970,341,975.43/5,929,847.07 - Step 6: Final answer
x = 7,657,359.42
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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.