Finding the Fourth Proportional to 38,432,822.20, 57,579,249.30 and 18,193,449.40
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Solution
The fourth proportional to 38,432,822.20, 57,579,249.30 and 18,193,449.40 is: 27,257,044.86
Step by Step Solution
- Step 1: Write the proportion equation
38,432,822.20 : 57,579,249.30 = 18,193,449.40 : x - Step 2: Convert to fraction form
38,432,822.20/57,579,249.30 = 18,193,449.40/x - Step 3: Cross multiply
38,432,822.20x = 57,579,249.30 × 18,193,449.40 - Step 4: Simplify right side
38,432,822.20x = 1,047,565,158,629,535.25 - Step 5: Solve for x
x = 1,047,565,158,629,535.25/38,432,822.20 - Step 6: Final answer
x = 27,257,044.86
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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.