Finding the Fourth Proportional to 38,716,143.86, 53,439,561.02 and 25,306,757.08
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Solution
The fourth proportional to 38,716,143.86, 53,439,561.02 and 25,306,757.08 is: 34,930,699.56
Step by Step Solution
- Step 1: Write the proportion equation
38,716,143.86 : 53,439,561.02 = 25,306,757.08 : x - Step 2: Convert to fraction form
38,716,143.86/53,439,561.02 = 25,306,757.08/x - Step 3: Cross multiply
38,716,143.86x = 53,439,561.02 × 25,306,757.08 - Step 4: Simplify right side
38,716,143.86x = 1,352,381,989,194,977 - Step 5: Solve for x
x = 1,352,381,989,194,977/38,716,143.86 - Step 6: Final answer
x = 34,930,699.56
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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.