Finding the Fourth Proportional to 9,721,102.80, 14,571,469.61 and 4,529,431.49
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Solution
The fourth proportional to 9,721,102.80, 14,571,469.61 and 4,529,431.49 is: 6,789,401.85
Step by Step Solution
- Step 1: Write the proportion equation
9,721,102.80 : 14,571,469.61 = 4,529,431.49 : x - Step 2: Convert to fraction form
9,721,102.80/14,571,469.61 = 4,529,431.49/x - Step 3: Cross multiply
9,721,102.80x = 14,571,469.61 × 4,529,431.49 - Step 4: Simplify right side
9,721,102.80x = 66,000,473,320,893.53 - Step 5: Solve for x
x = 66,000,473,320,893.53/9,721,102.80 - Step 6: Final answer
x = 6,789,401.85
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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.