Finding the Fourth Proportional to 21,591,581.08, 32,396,369.98 and 9,469,744.80
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Solution
The fourth proportional to 21,591,581.08, 32,396,369.98 and 9,469,744.80 is: 14,208,563.75
Step by Step Solution
- Step 1: Write the proportion equation
21,591,581.08 : 32,396,369.98 = 9,469,744.80 : x - Step 2: Convert to fraction form
21,591,581.08/32,396,369.98 = 9,469,744.80/x - Step 3: Cross multiply
21,591,581.08x = 32,396,369.98 × 9,469,744.80 - Step 4: Simplify right side
21,591,581.08x = 306,785,356,156,981.12 - Step 5: Solve for x
x = 306,785,356,156,981.12/21,591,581.08 - Step 6: Final answer
x = 14,208,563.75
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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.