Finding the Fourth Proportional to 10,702,406.20, 16,079,823.70 and 8,048,198.20
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Solution
The fourth proportional to 10,702,406.20, 16,079,823.70 and 8,048,198.20 is: 12,092,010.50
Step by Step Solution
- Step 1: Write the proportion equation
10,702,406.20 : 16,079,823.70 = 8,048,198.20 : x - Step 2: Convert to fraction form
10,702,406.20/16,079,823.70 = 8,048,198.20/x - Step 3: Cross multiply
10,702,406.20x = 16,079,823.70 × 8,048,198.20 - Step 4: Simplify right side
10,702,406.20x = 129,413,608,158,657.34 - Step 5: Solve for x
x = 129,413,608,158,657.34/10,702,406.20 - Step 6: Final answer
x = 12,092,010.50
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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.