Finding the Fourth Proportional to 43,608,392.70, 65,421,446.40 and 14,857,434.60
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Solution
The fourth proportional to 43,608,392.70, 65,421,446.40 and 14,857,434.60 is: 22,289,169.61
Step by Step Solution
- Step 1: Write the proportion equation
43,608,392.70 : 65,421,446.40 = 14,857,434.60 : x - Step 2: Convert to fraction form
43,608,392.70/65,421,446.40 = 14,857,434.60/x - Step 3: Cross multiply
43,608,392.70x = 65,421,446.40 × 14,857,434.60 - Step 4: Simplify right side
43,608,392.70x = 971,994,861,325,405.38 - Step 5: Solve for x
x = 971,994,861,325,405.38/43,608,392.70 - Step 6: Final answer
x = 22,289,169.61
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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.