Finding the Fourth Proportional to 38,420,233.94, 57,634,387.04 and 12,514,554.07
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Solution
The fourth proportional to 38,420,233.94, 57,634,387.04 and 12,514,554.07 is: 18,773,145.78
Step by Step Solution
- Step 1: Write the proportion equation
38,420,233.94 : 57,634,387.04 = 12,514,554.07 : x - Step 2: Convert to fraction form
38,420,233.94/57,634,387.04 = 12,514,554.07/x - Step 3: Cross multiply
38,420,233.94x = 57,634,387.04 × 12,514,554.07 - Step 4: Simplify right side
38,420,233.94x = 721,268,652,790,587.62 - Step 5: Solve for x
x = 721,268,652,790,587.62/38,420,233.94 - Step 6: Final answer
x = 18,773,145.78
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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.