Finding the Fourth Proportional to 7,083,631.36, 10,625,447.04 and 3,908,935.68
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Solution
The fourth proportional to 7,083,631.36, 10,625,447.04 and 3,908,935.68 is: 5,863,403.52
Step by Step Solution
- Step 1: Write the proportion equation
7,083,631.36 : 10,625,447.04 = 3,908,935.68 : x - Step 2: Convert to fraction form
7,083,631.36/10,625,447.04 = 3,908,935.68/x - Step 3: Cross multiply
7,083,631.36x = 10,625,447.04 × 3,908,935.68 - Step 4: Simplify right side
7,083,631.36x = 41,534,189,050,606.38 - Step 5: Solve for x
x = 41,534,189,050,606.38/7,083,631.36 - Step 6: Final answer
x = 5,863,403.52
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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.