Finding the Fourth Proportional to 18,143,910.09, 27,221,180.36 and 5,364,747.45
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Solution
The fourth proportional to 18,143,910.09, 27,221,180.36 and 5,364,747.45 is: 8,048,692.77
Step by Step Solution
- Step 1: Write the proportion equation
18,143,910.09 : 27,221,180.36 = 5,364,747.45 : x - Step 2: Convert to fraction form
18,143,910.09/27,221,180.36 = 5,364,747.45/x - Step 3: Cross multiply
18,143,910.09x = 27,221,180.36 × 5,364,747.45 - Step 4: Simplify right side
18,143,910.09x = 146,034,757,895,476.34 - Step 5: Solve for x
x = 146,034,757,895,476.34/18,143,910.09 - Step 6: Final answer
x = 8,048,692.77
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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.