Finding the Fourth Proportional to 22,665,249.18, 31,277,131.26 and 12,351,750.84
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Solution
The fourth proportional to 22,665,249.18, 31,277,131.26 and 12,351,750.84 is: 17,044,918.82
Step by Step Solution
- Step 1: Write the proportion equation
22,665,249.18 : 31,277,131.26 = 12,351,750.84 : x - Step 2: Convert to fraction form
22,665,249.18/31,277,131.26 = 12,351,750.84/x - Step 3: Cross multiply
22,665,249.18x = 31,277,131.26 × 12,351,750.84 - Step 4: Simplify right side
22,665,249.18x = 386,327,332,313,495.25 - Step 5: Solve for x
x = 386,327,332,313,495.25/22,665,249.18 - Step 6: Final answer
x = 17,044,918.82
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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.