Finding the Fourth Proportional to 11,677,314.16, 15,974,648.21 and 11,628,130.60
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Solution
The fourth proportional to 11,677,314.16, 15,974,648.21 and 11,628,130.60 is: 15,907,364.75
Step by Step Solution
- Step 1: Write the proportion equation
11,677,314.16 : 15,974,648.21 = 11,628,130.60 : x - Step 2: Convert to fraction form
11,677,314.16/15,974,648.21 = 11,628,130.60/x - Step 3: Cross multiply
11,677,314.16x = 15,974,648.21 × 11,628,130.60 - Step 4: Simplify right side
11,677,314.16x = 185,755,295,674,936.22 - Step 5: Solve for x
x = 185,755,295,674,936.22/11,677,314.16 - Step 6: Final answer
x = 15,907,364.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.