Finding the Fourth Proportional to 7,892,589.55, 11,839,216.49 and 2,501,452.70
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Solution
The fourth proportional to 7,892,589.55, 11,839,216.49 and 2,501,452.70 is: 3,752,284.33
Step by Step Solution
- Step 1: Write the proportion equation
7,892,589.55 : 11,839,216.49 = 2,501,452.70 : x - Step 2: Convert to fraction form
7,892,589.55/11,839,216.49 = 2,501,452.70/x - Step 3: Cross multiply
7,892,589.55x = 11,839,216.49 × 2,501,452.70 - Step 4: Simplify right side
7,892,589.55x = 29,615,240,042,287.76 - Step 5: Solve for x
x = 29,615,240,042,287.76/7,892,589.55 - Step 6: Final answer
x = 3,752,284.33
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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.