Finding the Fourth Proportional to 9,263,172.48, 12,783,584.51 and 5,133,193.99
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Solution
The fourth proportional to 9,263,172.48, 12,783,584.51 and 5,133,193.99 is: 7,084,032.96
Step by Step Solution
- Step 1: Write the proportion equation
9,263,172.48 : 12,783,584.51 = 5,133,193.99 : x - Step 2: Convert to fraction form
9,263,172.48/12,783,584.51 = 5,133,193.99/x - Step 3: Cross multiply
9,263,172.48x = 12,783,584.51 × 5,133,193.99 - Step 4: Simplify right side
9,263,172.48x = 65,620,619,177,389.09 - Step 5: Solve for x
x = 65,620,619,177,389.09/9,263,172.48 - Step 6: Final answer
x = 7,084,032.96
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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.