Finding the Fourth Proportional to 11,485,458.51, 15,850,266.21 and 6,329,152.68
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Solution
The fourth proportional to 11,485,458.51, 15,850,266.21 and 6,329,152.68 is: 8,734,414.46
Step by Step Solution
- Step 1: Write the proportion equation
11,485,458.51 : 15,850,266.21 = 6,329,152.68 : x - Step 2: Convert to fraction form
11,485,458.51/15,850,266.21 = 6,329,152.68/x - Step 3: Cross multiply
11,485,458.51x = 15,850,266.21 × 6,329,152.68 - Step 4: Simplify right side
11,485,458.51x = 100,318,754,861,734.94 - Step 5: Solve for x
x = 100,318,754,861,734.94/11,485,458.51 - Step 6: Final answer
x = 8,734,414.46
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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.