Finding the Fourth Proportional to 21,492,212.37, 29,659,126.75 and 11,702,633.12
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Solution
The fourth proportional to 21,492,212.37, 29,659,126.75 and 11,702,633.12 is: 16,149,564.92
Step by Step Solution
- Step 1: Write the proportion equation
21,492,212.37 : 29,659,126.75 = 11,702,633.12 : x - Step 2: Convert to fraction form
21,492,212.37/29,659,126.75 = 11,702,633.12/x - Step 3: Cross multiply
21,492,212.37x = 29,659,126.75 × 11,702,633.12 - Step 4: Simplify right side
21,492,212.37x = 347,089,878,994,624.31 - Step 5: Solve for x
x = 347,089,878,994,624.31/21,492,212.37 - Step 6: Final answer
x = 16,149,564.92
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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.