Finding the Fourth Proportional to 7,193,516.27, 9,926,935.02 and 3,930,260.76
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Solution
The fourth proportional to 7,193,516.27, 9,926,935.02 and 3,930,260.76 is: 5,423,695.69
Step by Step Solution
- Step 1: Write the proportion equation
7,193,516.27 : 9,926,935.02 = 3,930,260.76 : x - Step 2: Convert to fraction form
7,193,516.27/9,926,935.02 = 3,930,260.76/x - Step 3: Cross multiply
7,193,516.27x = 9,926,935.02 × 3,930,260.76 - Step 4: Simplify right side
7,193,516.27x = 39,015,443,176,175.81 - Step 5: Solve for x
x = 39,015,443,176,175.81/7,193,516.27 - Step 6: Final answer
x = 5,423,695.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.