Finding the Fourth Proportional to 22,777,107.26, 31,432,407.21 and 12,463,831.26
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Solution
The fourth proportional to 22,777,107.26, 31,432,407.21 and 12,463,831.26 is: 17,200,086.70
Step by Step Solution
- Step 1: Write the proportion equation
22,777,107.26 : 31,432,407.21 = 12,463,831.26 : x - Step 2: Convert to fraction form
22,777,107.26/31,432,407.21 = 12,463,831.26/x - Step 3: Cross multiply
22,777,107.26x = 31,432,407.21 × 12,463,831.26 - Step 4: Simplify right side
22,777,107.26x = 391,768,219,561,047.38 - Step 5: Solve for x
x = 391,768,219,561,047.38/22,777,107.26 - Step 6: Final answer
x = 17,200,086.70
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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.