Finding the Fourth Proportional to 7,385,742.98, 10,194,025.94 and 4,330,941.38
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Solution
The fourth proportional to 7,385,742.98, 10,194,025.94 and 4,330,941.38 is: 5,977,696.34
Step by Step Solution
- Step 1: Write the proportion equation
7,385,742.98 : 10,194,025.94 = 4,330,941.38 : x - Step 2: Convert to fraction form
7,385,742.98/10,194,025.94 = 4,330,941.38/x - Step 3: Cross multiply
7,385,742.98x = 10,194,025.94 × 4,330,941.38 - Step 4: Simplify right side
7,385,742.98x = 44,149,728,754,183.20 - Step 5: Solve for x
x = 44,149,728,754,183.20/7,385,742.98 - Step 6: Final answer
x = 5,977,696.34
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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.