Finding the Fourth Proportional to 7,457,344.57, 10,289,949.76 and 4,193,528.99
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Solution
The fourth proportional to 7,457,344.57, 10,289,949.76 and 4,193,528.99 is: 5,786,403.22
Step by Step Solution
- Step 1: Write the proportion equation
7,457,344.57 : 10,289,949.76 = 4,193,528.99 : x - Step 2: Convert to fraction form
7,457,344.57/10,289,949.76 = 4,193,528.99/x - Step 3: Cross multiply
7,457,344.57x = 10,289,949.76 × 4,193,528.99 - Step 4: Simplify right side
7,457,344.57x = 43,151,202,603,983.95 - Step 5: Solve for x
x = 43,151,202,603,983.95/7,457,344.57 - Step 6: Final answer
x = 5,786,403.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.