Finding the Fourth Proportional to 18,223,010.40, 27,334,839.60 and 5,443,672.80
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Solution
The fourth proportional to 18,223,010.40, 27,334,839.60 and 5,443,672.80 is: 8,165,605.99
Step by Step Solution
- Step 1: Write the proportion equation
18,223,010.40 : 27,334,839.60 = 5,443,672.80 : x - Step 2: Convert to fraction form
18,223,010.40/27,334,839.60 = 5,443,672.80/x - Step 3: Cross multiply
18,223,010.40x = 27,334,839.60 × 5,443,672.80 - Step 4: Simplify right side
18,223,010.40x = 148,801,922,822,882.88 - Step 5: Solve for x
x = 148,801,922,822,882.88/18,223,010.40 - Step 6: Final answer
x = 8,165,605.99
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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.