Finding the Fourth Proportional to 11,079,652.68, 16,625,330.46 and 7,861,982.15
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Solution
The fourth proportional to 11,079,652.68, 16,625,330.46 and 7,861,982.15 is: 11,797,125.34
Step by Step Solution
- Step 1: Write the proportion equation
11,079,652.68 : 16,625,330.46 = 7,861,982.15 : x - Step 2: Convert to fraction form
11,079,652.68/16,625,330.46 = 7,861,982.15/x - Step 3: Cross multiply
11,079,652.68x = 16,625,330.46 × 7,861,982.15 - Step 4: Simplify right side
11,079,652.68x = 130,708,051,355,934.62 - Step 5: Solve for x
x = 130,708,051,355,934.62/11,079,652.68 - Step 6: Final answer
x = 11,797,125.34
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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.