Finding the Fourth Proportional to 43,131,868.12, 64,676,167.62 and 14,367,891.16
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Solution
The fourth proportional to 43,131,868.12, 64,676,167.62 and 14,367,891.16 is: 21,544,629.93
Step by Step Solution
- Step 1: Write the proportion equation
43,131,868.12 : 64,676,167.62 = 14,367,891.16 : x - Step 2: Convert to fraction form
43,131,868.12/64,676,167.62 = 14,367,891.16/x - Step 3: Cross multiply
43,131,868.12x = 64,676,167.62 × 14,367,891.16 - Step 4: Simplify right side
43,131,868.12x = 929,260,137,010,076.25 - Step 5: Solve for x
x = 929,260,137,010,076.25/43,131,868.12 - Step 6: Final answer
x = 21,544,629.93
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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.