Finding the Fourth Proportional to 7,556,995.46, 11,318,877.84 and 6,245,281.90
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Solution
The fourth proportional to 7,556,995.46, 11,318,877.84 and 6,245,281.90 is: 9,354,191.53
Step by Step Solution
- Step 1: Write the proportion equation
7,556,995.46 : 11,318,877.84 = 6,245,281.90 : x - Step 2: Convert to fraction form
7,556,995.46/11,318,877.84 = 6,245,281.90/x - Step 3: Cross multiply
7,556,995.46x = 11,318,877.84 × 6,245,281.90 - Step 4: Simplify right side
7,556,995.46x = 70,689,582,876,362.81 - Step 5: Solve for x
x = 70,689,582,876,362.81/7,556,995.46 - Step 6: Final answer
x = 9,354,191.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.