Finding the Fourth Proportional to 13,589,152.96, 18,752,465.10 and 7,394,224
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Solution
The fourth proportional to 13,589,152.96, 18,752,465.10 and 7,394,224 is: 10,203,721.15
Step by Step Solution
- Step 1: Write the proportion equation
13,589,152.96 : 18,752,465.10 = 7,394,224 : x - Step 2: Convert to fraction form
13,589,152.96/18,752,465.10 = 7,394,224/x - Step 3: Cross multiply
13,589,152.96x = 18,752,465.10 × 7,394,224 - Step 4: Simplify right side
13,589,152.96x = 138,659,927,501,582.41 - Step 5: Solve for x
x = 138,659,927,501,582.41/13,589,152.96 - Step 6: Final answer
x = 10,203,721.15
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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.