Finding the Fourth Proportional to 7,471,620.12, 11,207,438.64 and 2,080,282.44
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Solution
The fourth proportional to 7,471,620.12, 11,207,438.64 and 2,080,282.44 is: 3,120,426.02
Step by Step Solution
- Step 1: Write the proportion equation
7,471,620.12 : 11,207,438.64 = 2,080,282.44 : x - Step 2: Convert to fraction form
7,471,620.12/11,207,438.64 = 2,080,282.44/x - Step 3: Cross multiply
7,471,620.12x = 11,207,438.64 × 2,080,282.44 - Step 4: Simplify right side
7,471,620.12x = 23,314,637,800,169.48 - Step 5: Solve for x
x = 23,314,637,800,169.48/7,471,620.12 - Step 6: Final answer
x = 3,120,426.02
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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.