Finding the Fourth Proportional to 18,584,446.20, 27,876,669.30 and 14,553,367.80
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Solution
The fourth proportional to 18,584,446.20, 27,876,669.30 and 14,553,367.80 is: 21,830,051.70
Step by Step Solution
- Step 1: Write the proportion equation
18,584,446.20 : 27,876,669.30 = 14,553,367.80 : x - Step 2: Convert to fraction form
18,584,446.20/27,876,669.30 = 14,553,367.80/x - Step 3: Cross multiply
18,584,446.20x = 27,876,669.30 × 14,553,367.80 - Step 4: Simplify right side
18,584,446.20x = 405,699,421,361,868.56 - Step 5: Solve for x
x = 405,699,421,361,868.56/18,584,446.20 - Step 6: Final answer
x = 21,830,051.70
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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.