Finding the Fourth Proportional to 10,349,704.68, 15,451,785.96 and 7,908,079.56
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Solution
The fourth proportional to 10,349,704.68, 15,451,785.96 and 7,908,079.56 is: 11,806,515.89
Step by Step Solution
- Step 1: Write the proportion equation
10,349,704.68 : 15,451,785.96 = 7,908,079.56 : x - Step 2: Convert to fraction form
10,349,704.68/15,451,785.96 = 7,908,079.56/x - Step 3: Cross multiply
10,349,704.68x = 15,451,785.96 × 7,908,079.56 - Step 4: Simplify right side
10,349,704.68x = 122,193,952,715,770.98 - Step 5: Solve for x
x = 122,193,952,715,770.98/10,349,704.68 - Step 6: Final answer
x = 11,806,515.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.