Finding the Fourth Proportional to 8,821,844.40, 13,233,422.70 and 3,141,330.60
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Solution
The fourth proportional to 8,821,844.40, 13,233,422.70 and 3,141,330.60 is: 4,712,229.53
Step by Step Solution
- Step 1: Write the proportion equation
8,821,844.40 : 13,233,422.70 = 3,141,330.60 : x - Step 2: Convert to fraction form
8,821,844.40/13,233,422.70 = 3,141,330.60/x - Step 3: Cross multiply
8,821,844.40x = 13,233,422.70 × 3,141,330.60 - Step 4: Simplify right side
8,821,844.40x = 41,570,555,670,244.62 - Step 5: Solve for x
x = 41,570,555,670,244.62/8,821,844.40 - Step 6: Final answer
x = 4,712,229.53
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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.