Finding the Fourth Proportional to 8,333,370.74, 11,497,500.09 and 5,431,702.88
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Solution
The fourth proportional to 8,333,370.74, 11,497,500.09 and 5,431,702.88 is: 7,494,086.88
Step by Step Solution
- Step 1: Write the proportion equation
8,333,370.74 : 11,497,500.09 = 5,431,702.88 : x - Step 2: Convert to fraction form
8,333,370.74/11,497,500.09 = 5,431,702.88/x - Step 3: Cross multiply
8,333,370.74x = 11,497,500.09 × 5,431,702.88 - Step 4: Simplify right side
8,333,370.74x = 62,451,004,294,165.76 - Step 5: Solve for x
x = 62,451,004,294,165.76/8,333,370.74 - Step 6: Final answer
x = 7,494,086.88
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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.