Finding the Fourth Proportional to 19,720,217.43, 29,714,930.97 and 16,204,735.22
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Solution
The fourth proportional to 19,720,217.43, 29,714,930.97 and 16,204,735.22 is: 24,417,711.92
Step by Step Solution
- Step 1: Write the proportion equation
19,720,217.43 : 29,714,930.97 = 16,204,735.22 : x - Step 2: Convert to fraction form
19,720,217.43/29,714,930.97 = 16,204,735.22/x - Step 3: Cross multiply
19,720,217.43x = 29,714,930.97 × 16,204,735.22 - Step 4: Simplify right side
19,720,217.43x = 481,522,588,300,853.06 - Step 5: Solve for x
x = 481,522,588,300,853.06/19,720,217.43 - Step 6: Final answer
x = 24,417,711.92
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.