Finding the Fourth Proportional to 21,498,462.44, 32,252,242.62 and 7,120,716.20
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Solution
The fourth proportional to 21,498,462.44, 32,252,242.62 and 7,120,716.20 is: 10,682,581.01
Step by Step Solution
- Step 1: Write the proportion equation
21,498,462.44 : 32,252,242.62 = 7,120,716.20 : x - Step 2: Convert to fraction form
21,498,462.44/32,252,242.62 = 7,120,716.20/x - Step 3: Cross multiply
21,498,462.44x = 32,252,242.62 × 7,120,716.20 - Step 4: Simplify right side
21,498,462.44x = 229,659,066,510,564.47 - Step 5: Solve for x
x = 229,659,066,510,564.47/21,498,462.44 - Step 6: Final answer
x = 10,682,581.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.