Finding the Fourth Proportional to 8,643,028.05, 12,965,198.18 and 2,577,285.14
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Solution
The fourth proportional to 8,643,028.05, 12,965,198.18 and 2,577,285.14 is: 3,866,123.35
Step by Step Solution
- Step 1: Write the proportion equation
8,643,028.05 : 12,965,198.18 = 2,577,285.14 : x - Step 2: Convert to fraction form
8,643,028.05/12,965,198.18 = 2,577,285.14/x - Step 3: Cross multiply
8,643,028.05x = 12,965,198.18 × 2,577,285.14 - Step 4: Simplify right side
8,643,028.05x = 33,415,012,528,756.63 - Step 5: Solve for x
x = 33,415,012,528,756.63/8,643,028.05 - Step 6: Final answer
x = 3,866,123.35
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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.