Finding the Fourth Proportional to 19,720,239.73, 29,714,964.76 and 16,204,757.52
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Solution
The fourth proportional to 19,720,239.73, 29,714,964.76 and 16,204,757.52 is: 24,417,745.69
Step by Step Solution
- Step 1: Write the proportion equation
19,720,239.73 : 29,714,964.76 = 16,204,757.52 : x - Step 2: Convert to fraction form
19,720,239.73/29,714,964.76 = 16,204,757.52/x - Step 3: Cross multiply
19,720,239.73x = 29,714,964.76 × 16,204,757.52 - Step 4: Simplify right side
19,720,239.73x = 481,523,798,651,145 - Step 5: Solve for x
x = 481,523,798,651,145/19,720,239.73 - Step 6: Final answer
x = 24,417,745.69
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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.