Finding the Fourth Proportional to 9,809,451.67, 13,529,374.39 and 6,372,799.99
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Solution
The fourth proportional to 9,809,451.67, 13,529,374.39 and 6,372,799.99 is: 8,789,481.81
Step by Step Solution
- Step 1: Write the proportion equation
9,809,451.67 : 13,529,374.39 = 6,372,799.99 : x - Step 2: Convert to fraction form
9,809,451.67/13,529,374.39 = 6,372,799.99/x - Step 3: Cross multiply
9,809,451.67x = 13,529,374.39 × 6,372,799.99 - Step 4: Simplify right side
9,809,451.67x = 86,219,996,977,298.27 - Step 5: Solve for x
x = 86,219,996,977,298.27/9,809,451.67 - Step 6: Final answer
x = 8,789,481.81
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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.