Finding the Fourth Proportional to 13,752,201.96, 18,970,136.01 and 8,586,595.44
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Solution
The fourth proportional to 13,752,201.96, 18,970,136.01 and 8,586,595.44 is: 11,844,567.43
Step by Step Solution
- Step 1: Write the proportion equation
13,752,201.96 : 18,970,136.01 = 8,586,595.44 : x - Step 2: Convert to fraction form
13,752,201.96/18,970,136.01 = 8,586,595.44/x - Step 3: Cross multiply
13,752,201.96x = 18,970,136.01 × 8,586,595.44 - Step 4: Simplify right side
13,752,201.96x = 162,888,883,359,645.81 - Step 5: Solve for x
x = 162,888,883,359,645.81/13,752,201.96 - Step 6: Final answer
x = 11,844,567.43
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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.