Finding the Fourth Proportional to 27,946,286.91, 38,565,480.87 and 15,723,114.75
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Solution
The fourth proportional to 27,946,286.91, 38,565,480.87 and 15,723,114.75 is: 21,697,676.08
Step by Step Solution
- Step 1: Write the proportion equation
27,946,286.91 : 38,565,480.87 = 15,723,114.75 : x - Step 2: Convert to fraction form
27,946,286.91/38,565,480.87 = 15,723,114.75/x - Step 3: Cross multiply
27,946,286.91x = 38,565,480.87 × 15,723,114.75 - Step 4: Simplify right side
27,946,286.91x = 606,369,481,107,939.75 - Step 5: Solve for x
x = 606,369,481,107,939.75/27,946,286.91 - Step 6: Final answer
x = 21,697,676.08
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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.