Finding the Fourth Proportional to 11,881,874.76, 16,396,562.84 and 6,725,125.58
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Solution
The fourth proportional to 11,881,874.76, 16,396,562.84 and 6,725,125.58 is: 9,280,433.13
Step by Step Solution
- Step 1: Write the proportion equation
11,881,874.76 : 16,396,562.84 = 6,725,125.58 : x - Step 2: Convert to fraction form
11,881,874.76/16,396,562.84 = 6,725,125.58/x - Step 3: Cross multiply
11,881,874.76x = 16,396,562.84 × 6,725,125.58 - Step 4: Simplify right side
11,881,874.76x = 110,268,944,179,361.45 - Step 5: Solve for x
x = 110,268,944,179,361.45/11,881,874.76 - Step 6: Final answer
x = 9,280,433.13
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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.