Finding the Fourth Proportional to 28,875,628.12, 43,313,516.03 and 7,310,232.12
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Solution
The fourth proportional to 28,875,628.12, 43,313,516.03 and 7,310,232.12 is: 10,965,366.88
Step by Step Solution
- Step 1: Write the proportion equation
28,875,628.12 : 43,313,516.03 = 7,310,232.12 : x - Step 2: Convert to fraction form
28,875,628.12/43,313,516.03 = 7,310,232.12/x - Step 3: Cross multiply
28,875,628.12x = 43,313,516.03 × 7,310,232.12 - Step 4: Simplify right side
28,875,628.12x = 316,631,856,112,640.88 - Step 5: Solve for x
x = 316,631,856,112,640.88/28,875,628.12 - Step 6: Final answer
x = 10,965,366.88
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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.