Finding the Fourth Proportional to 10,930,252.20, 16,395,378.30 and 7,738,981.80
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Solution
The fourth proportional to 10,930,252.20, 16,395,378.30 and 7,738,981.80 is: 11,608,472.70
Step by Step Solution
- Step 1: Write the proportion equation
10,930,252.20 : 16,395,378.30 = 7,738,981.80 : x - Step 2: Convert to fraction form
10,930,252.20/16,395,378.30 = 7,738,981.80/x - Step 3: Cross multiply
10,930,252.20x = 16,395,378.30 × 7,738,981.80 - Step 4: Simplify right side
10,930,252.20x = 126,883,534,267,814.94 - Step 5: Solve for x
x = 126,883,534,267,814.94/10,930,252.20 - Step 6: Final answer
x = 11,608,472.70
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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.