Finding the Fourth Proportional to 36,976,327.48, 51,027,157.74 and 20,678,868.28
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Solution
The fourth proportional to 36,976,327.48, 51,027,157.74 and 20,678,868.28 is: 28,536,740.82
Step by Step Solution
- Step 1: Write the proportion equation
36,976,327.48 : 51,027,157.74 = 20,678,868.28 : x - Step 2: Convert to fraction form
36,976,327.48/51,027,157.74 = 20,678,868.28/x - Step 3: Cross multiply
36,976,327.48x = 51,027,157.74 × 20,678,868.28 - Step 4: Simplify right side
36,976,327.48x = 1,055,183,873,608,242.62 - Step 5: Solve for x
x = 1,055,183,873,608,242.62/36,976,327.48 - Step 6: Final answer
x = 28,536,740.82
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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.