Finding the Fourth Proportional to 38,797,642.08, 53,540,353.92 and 21,156,501.12
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Solution
The fourth proportional to 38,797,642.08, 53,540,353.92 and 21,156,501.12 is: 29,195,757.70
Step by Step Solution
- Step 1: Write the proportion equation
38,797,642.08 : 53,540,353.92 = 21,156,501.12 : x - Step 2: Convert to fraction form
38,797,642.08/53,540,353.92 = 21,156,501.12/x - Step 3: Cross multiply
38,797,642.08x = 53,540,353.92 × 21,156,501.12 - Step 4: Simplify right side
38,797,642.08x = 1,132,726,557,673,676.50 - Step 5: Solve for x
x = 1,132,726,557,673,676.50/38,797,642.08 - Step 6: Final answer
x = 29,195,757.70
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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.