Finding the Fourth Proportional to 9,263,171.48, 12,783,583.13 and 5,133,192.99
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Solution
The fourth proportional to 9,263,171.48, 12,783,583.13 and 5,133,192.99 is: 7,084,031.58
Step by Step Solution
- Step 1: Write the proportion equation
9,263,171.48 : 12,783,583.13 = 5,133,192.99 : x - Step 2: Convert to fraction form
9,263,171.48/12,783,583.13 = 5,133,192.99/x - Step 3: Cross multiply
9,263,171.48x = 12,783,583.13 × 5,133,192.99 - Step 4: Simplify right side
9,263,171.48x = 65,620,599,284,332.30 - Step 5: Solve for x
x = 65,620,599,284,332.30/9,263,171.48 - Step 6: Final answer
x = 7,084,031.58
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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.