Finding the Fourth Proportional to 29,969,779.26, 41,358,425.68 and 16,218,744.60
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Solution
The fourth proportional to 29,969,779.26, 41,358,425.68 and 16,218,744.60 is: 22,381,938.06
Step by Step Solution
- Step 1: Write the proportion equation
29,969,779.26 : 41,358,425.68 = 16,218,744.60 : x - Step 2: Convert to fraction form
29,969,779.26/41,358,425.68 = 16,218,744.60/x - Step 3: Cross multiply
29,969,779.26x = 41,358,425.68 × 16,218,744.60 - Step 4: Simplify right side
29,969,779.26x = 670,781,743,162,001.25 - Step 5: Solve for x
x = 670,781,743,162,001.25/29,969,779.26 - Step 6: Final answer
x = 22,381,938.06
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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.