Finding the Fourth Proportional to 7,457,344.08, 10,289,949.11 and 4,193,528.49
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Solution
The fourth proportional to 7,457,344.08, 10,289,949.11 and 4,193,528.49 is: 5,786,402.55
Step by Step Solution
- Step 1: Write the proportion equation
7,457,344.08 : 10,289,949.11 = 4,193,528.49 : x - Step 2: Convert to fraction form
7,457,344.08/10,289,949.11 = 4,193,528.49/x - Step 3: Cross multiply
7,457,344.08x = 10,289,949.11 × 4,193,528.49 - Step 4: Simplify right side
7,457,344.08x = 43,151,194,748,193.23 - Step 5: Solve for x
x = 43,151,194,748,193.23/7,457,344.08 - Step 6: Final answer
x = 5,786,402.55
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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.