Finding the Fourth Proportional to 11,277,932.96, 15,563,352.20 and 6,121,183.84
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Solution
The fourth proportional to 11,277,932.96, 15,563,352.20 and 6,121,183.84 is: 8,447,127.71
Step by Step Solution
- Step 1: Write the proportion equation
11,277,932.96 : 15,563,352.20 = 6,121,183.84 : x - Step 2: Convert to fraction form
11,277,932.96/15,563,352.20 = 6,121,183.84/x - Step 3: Cross multiply
11,277,932.96x = 15,563,352.20 × 6,121,183.84 - Step 4: Simplify right side
11,277,932.96x = 95,266,139,982,868.44 - Step 5: Solve for x
x = 95,266,139,982,868.44/11,277,932.96 - Step 6: Final answer
x = 8,447,127.71
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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.