Finding the Fourth Proportional to 7,760,784.75, 10,710,125.76 and 4,453,683.99
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Solution
The fourth proportional to 7,760,784.75, 10,710,125.76 and 4,453,683.99 is: 6,146,223.24
Step by Step Solution
- Step 1: Write the proportion equation
7,760,784.75 : 10,710,125.76 = 4,453,683.99 : x - Step 2: Convert to fraction form
7,760,784.75/10,710,125.76 = 4,453,683.99/x - Step 3: Cross multiply
7,760,784.75x = 10,710,125.76 × 4,453,683.99 - Step 4: Simplify right side
7,760,784.75x = 47,699,515,628,198.59 - Step 5: Solve for x
x = 47,699,515,628,198.59/7,760,784.75 - Step 6: Final answer
x = 6,146,223.24
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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.