Finding the Fourth Proportional to 7,457,409.12, 10,290,884.43 and 4,149,866.87
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Solution
The fourth proportional to 7,457,409.12, 10,290,884.43 and 4,149,866.87 is: 5,726,626.99
Step by Step Solution
- Step 1: Write the proportion equation
7,457,409.12 : 10,290,884.43 = 4,149,866.87 : x - Step 2: Convert to fraction form
7,457,409.12/10,290,884.43 = 4,149,866.87/x - Step 3: Cross multiply
7,457,409.12x = 10,290,884.43 × 4,149,866.87 - Step 4: Simplify right side
7,457,409.12x = 42,705,800,361,754.23 - Step 5: Solve for x
x = 42,705,800,361,754.23/7,457,409.12 - Step 6: Final answer
x = 5,726,626.99
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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.