Finding the Fourth Proportional to 14,391,603.80, 21,581,260.52 and 8,330,519.19
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Solution
The fourth proportional to 14,391,603.80, 21,581,260.52 and 8,330,519.19 is: 12,492,221.67
Step by Step Solution
- Step 1: Write the proportion equation
14,391,603.80 : 21,581,260.52 = 8,330,519.19 : x - Step 2: Convert to fraction form
14,391,603.80/21,581,260.52 = 8,330,519.19/x - Step 3: Cross multiply
14,391,603.80x = 21,581,260.52 × 8,330,519.19 - Step 4: Simplify right side
14,391,603.80x = 179,783,104,864,596.78 - Step 5: Solve for x
x = 179,783,104,864,596.78/14,391,603.80 - Step 6: Final answer
x = 12,492,221.67
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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.