Finding the Fourth Proportional to 7,682,836.91, 10,602,186.87 and 4,198,099.13
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Solution
The fourth proportional to 7,682,836.91, 10,602,186.87 and 4,198,099.13 is: 5,793,306.82
Step by Step Solution
- Step 1: Write the proportion equation
7,682,836.91 : 10,602,186.87 = 4,198,099.13 : x - Step 2: Convert to fraction form
7,682,836.91/10,602,186.87 = 4,198,099.13/x - Step 3: Cross multiply
7,682,836.91x = 10,602,186.87 × 4,198,099.13 - Step 4: Simplify right side
7,682,836.91x = 44,509,031,446,048.82 - Step 5: Solve for x
x = 44,509,031,446,048.82/7,682,836.91 - Step 6: Final answer
x = 5,793,306.82
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1.5x scale
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.