Finding the Fourth Proportional to 7,113,703.07, 9,816,934.79 and 3,850,516.94
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Solution
The fourth proportional to 7,113,703.07, 9,816,934.79 and 3,850,516.94 is: 5,313,726.67
Step by Step Solution
- Step 1: Write the proportion equation
7,113,703.07 : 9,816,934.79 = 3,850,516.94 : x - Step 2: Convert to fraction form
7,113,703.07/9,816,934.79 = 3,850,516.94/x - Step 3: Cross multiply
7,113,703.07x = 9,816,934.79 × 3,850,516.94 - Step 4: Simplify right side
7,113,703.07x = 37,800,273,707,770.34 - Step 5: Solve for x
x = 37,800,273,707,770.34/7,113,703.07 - Step 6: Final answer
x = 5,313,726.67
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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.