Finding the Fourth Proportional to 7,983,768.24, 11,975,480.02 and 2,226,348.52
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Solution
The fourth proportional to 7,983,768.24, 11,975,480.02 and 2,226,348.52 is: 3,339,474.72
Step by Step Solution
- Step 1: Write the proportion equation
7,983,768.24 : 11,975,480.02 = 2,226,348.52 : x - Step 2: Convert to fraction form
7,983,768.24/11,975,480.02 = 2,226,348.52/x - Step 3: Cross multiply
7,983,768.24x = 11,975,480.02 × 2,226,348.52 - Step 4: Simplify right side
7,983,768.24x = 26,661,592,191,660.81 - Step 5: Solve for x
x = 26,661,592,191,660.81/7,983,768.24 - Step 6: Final answer
x = 3,339,474.72
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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.