Finding the Fourth Proportional to 21,092,429, 29,110,658.10 and 13,358,190.44
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Solution
The fourth proportional to 21,092,429, 29,110,658.10 and 13,358,190.44 is: 18,436,269.94
Step by Step Solution
- Step 1: Write the proportion equation
21,092,429 : 29,110,658.10 = 13,358,190.44 : x - Step 2: Convert to fraction form
21,092,429/29,110,658.10 = 13,358,190.44/x - Step 3: Cross multiply
21,092,429x = 29,110,658.10 × 13,358,190.44 - Step 4: Simplify right side
21,092,429x = 388,865,714,733,528.56 - Step 5: Solve for x
x = 388,865,714,733,528.56/21,092,429 - Step 6: Final answer
x = 18,436,269.94
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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.