Finding the Fourth Proportional to 38,266,591.93, 52,807,859.68 and 20,862,932.55
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Solution
The fourth proportional to 38,266,591.93, 52,807,859.68 and 20,862,932.55 is: 28,790,826.65
Step by Step Solution
- Step 1: Write the proportion equation
38,266,591.93 : 52,807,859.68 = 20,862,932.55 : x - Step 2: Convert to fraction form
38,266,591.93/52,807,859.68 = 20,862,932.55/x - Step 3: Cross multiply
38,266,591.93x = 52,807,859.68 × 20,862,932.55 - Step 4: Simplify right side
38,266,591.93x = 1,101,726,814,613,704.62 - Step 5: Solve for x
x = 1,101,726,814,613,704.62/38,266,591.93 - Step 6: Final answer
x = 28,790,826.65
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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.