Finding the Fourth Proportional to 8,279,871.08, 12,419,095.12 and 5,040,567.99
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Solution
The fourth proportional to 8,279,871.08, 12,419,095.12 and 5,040,567.99 is: 7,560,418.85
Step by Step Solution
- Step 1: Write the proportion equation
8,279,871.08 : 12,419,095.12 = 5,040,567.99 : x - Step 2: Convert to fraction form
8,279,871.08/12,419,095.12 = 5,040,567.99/x - Step 3: Cross multiply
8,279,871.08x = 12,419,095.12 × 5,040,567.99 - Step 4: Simplify right side
8,279,871.08x = 62,599,293,314,035.79 - Step 5: Solve for x
x = 62,599,293,314,035.79/8,279,871.08 - Step 6: Final answer
x = 7,560,418.85
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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.