Finding the Fourth Proportional to 11,277,520.68, 15,562,986.12 and 6,120,882.30
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Solution
The fourth proportional to 11,277,520.68, 15,562,986.12 and 6,120,882.30 is: 8,446,821.69
Step by Step Solution
- Step 1: Write the proportion equation
11,277,520.68 : 15,562,986.12 = 6,120,882.30 : x - Step 2: Convert to fraction form
11,277,520.68/15,562,986.12 = 6,120,882.30/x - Step 3: Cross multiply
11,277,520.68x = 15,562,986.12 × 6,120,882.30 - Step 4: Simplify right side
11,277,520.68x = 95,259,206,277,053.67 - Step 5: Solve for x
x = 95,259,206,277,053.67/11,277,520.68 - Step 6: Final answer
x = 8,446,821.69
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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.