Finding the Fourth Proportional to 38,231,324.40, 57,379,645.80 and 15,528,514.80
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Solution
The fourth proportional to 38,231,324.40, 57,379,645.80 and 15,528,514.80 is: 23,306,037.47
Step by Step Solution
- Step 1: Write the proportion equation
38,231,324.40 : 57,379,645.80 = 15,528,514.80 : x - Step 2: Convert to fraction form
38,231,324.40/57,379,645.80 = 15,528,514.80/x - Step 3: Cross multiply
38,231,324.40x = 57,379,645.80 × 15,528,514.80 - Step 4: Simplify right side
38,231,324.40x = 891,020,679,024,057.88 - Step 5: Solve for x
x = 891,020,679,024,057.88/38,231,324.40 - Step 6: Final answer
x = 23,306,037.47
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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.