Finding the Fourth Proportional to 13,114,194, 18,100,831.70 and 8,934,795.09
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Solution
The fourth proportional to 13,114,194, 18,100,831.70 and 8,934,795.09 is: 12,332,227.37
Step by Step Solution
- Step 1: Write the proportion equation
13,114,194 : 18,100,831.70 = 8,934,795.09 : x - Step 2: Convert to fraction form
13,114,194/18,100,831.70 = 8,934,795.09/x - Step 3: Cross multiply
13,114,194x = 18,100,831.70 × 8,934,795.09 - Step 4: Simplify right side
13,114,194x = 161,727,222,153,402.38 - Step 5: Solve for x
x = 161,727,222,153,402.38/13,114,194 - Step 6: Final answer
x = 12,332,227.37
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1.5x scale
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.