Finding the Fourth Proportional to 29,786,695.80, 44,680,043.70 and 18,449,287.80
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Solution
The fourth proportional to 29,786,695.80, 44,680,043.70 and 18,449,287.80 is: 27,673,931.70
Step by Step Solution
- Step 1: Write the proportion equation
29,786,695.80 : 44,680,043.70 = 18,449,287.80 : x - Step 2: Convert to fraction form
29,786,695.80/44,680,043.70 = 18,449,287.80/x - Step 3: Cross multiply
29,786,695.80x = 44,680,043.70 × 18,449,287.80 - Step 4: Simplify right side
29,786,695.80x = 824,314,985,137,877 - Step 5: Solve for x
x = 824,314,985,137,877/29,786,695.80 - Step 6: Final answer
x = 27,673,931.70
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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.