Finding the Fourth Proportional to 11,682,848.76, 16,204,813.50 and 11,372,119.80
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Solution
The fourth proportional to 11,682,848.76, 16,204,813.50 and 11,372,119.80 is: 15,773,813.75
Step by Step Solution
- Step 1: Write the proportion equation
11,682,848.76 : 16,204,813.50 = 11,372,119.80 : x - Step 2: Convert to fraction form
11,682,848.76/16,204,813.50 = 11,372,119.80/x - Step 3: Cross multiply
11,682,848.76x = 16,204,813.50 × 11,372,119.80 - Step 4: Simplify right side
11,682,848.76x = 184,283,080,458,657.31 - Step 5: Solve for x
x = 184,283,080,458,657.31/11,682,848.76 - Step 6: Final answer
x = 15,773,813.75
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.