Finding the Fourth Proportional to 8,374,722.28, 11,556,198.66 and 4,702,895.08
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Solution
The fourth proportional to 8,374,722.28, 11,556,198.66 and 4,702,895.08 is: 6,489,479.65
Step by Step Solution
- Step 1: Write the proportion equation
8,374,722.28 : 11,556,198.66 = 4,702,895.08 : x - Step 2: Convert to fraction form
8,374,722.28/11,556,198.66 = 4,702,895.08/x - Step 3: Cross multiply
8,374,722.28x = 11,556,198.66 × 4,702,895.08 - Step 4: Simplify right side
8,374,722.28x = 54,347,589,821,616.59 - Step 5: Solve for x
x = 54,347,589,821,616.59/8,374,722.28 - Step 6: Final answer
x = 6,489,479.65
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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.