Finding the Fourth Proportional to 7,405,770.18, 10,220,732.52 and 4,266,142.14
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Solution
The fourth proportional to 7,405,770.18, 10,220,732.52 and 4,266,142.14 is: 5,887,719.53
Step by Step Solution
- Step 1: Write the proportion equation
7,405,770.18 : 10,220,732.52 = 4,266,142.14 : x - Step 2: Convert to fraction form
7,405,770.18/10,220,732.52 = 4,266,142.14/x - Step 3: Cross multiply
7,405,770.18x = 10,220,732.52 × 4,266,142.14 - Step 4: Simplify right side
7,405,770.18x = 43,603,097,705,240.39 - Step 5: Solve for x
x = 43,603,097,705,240.39/7,405,770.18 - Step 6: Final answer
x = 5,887,719.53
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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.