Finding the Fourth Proportional to 7,533,821.40, 11,302,629.60 and 2,142,471.84
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Solution
The fourth proportional to 7,533,821.40, 11,302,629.60 and 2,142,471.84 is: 3,214,247.37
Step by Step Solution
- Step 1: Write the proportion equation
7,533,821.40 : 11,302,629.60 = 2,142,471.84 : x - Step 2: Convert to fraction form
7,533,821.40/11,302,629.60 = 2,142,471.84/x - Step 3: Cross multiply
7,533,821.40x = 11,302,629.60 × 2,142,471.84 - Step 4: Simplify right side
7,533,821.40x = 24,215,565,635,950.46 - Step 5: Solve for x
x = 24,215,565,635,950.46/7,533,821.40 - Step 6: Final answer
x = 3,214,247.37
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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.