Finding the Fourth Proportional to 18,379,757.37, 27,552,509.28 and 6,240,920.79
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Solution
The fourth proportional to 18,379,757.37, 27,552,509.28 and 6,240,920.79 is: 9,355,565.72
Step by Step Solution
- Step 1: Write the proportion equation
18,379,757.37 : 27,552,509.28 = 6,240,920.79 : x - Step 2: Convert to fraction form
18,379,757.37/27,552,509.28 = 6,240,920.79/x - Step 3: Cross multiply
18,379,757.37x = 27,552,509.28 × 6,240,920.79 - Step 4: Simplify right side
18,379,757.37x = 171,953,027,882,134.03 - Step 5: Solve for x
x = 171,953,027,882,134.03/18,379,757.37 - Step 6: Final answer
x = 9,355,565.72
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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.