Finding the Fourth Proportional to 10,306,313.20, 15,459,469.80 and 9,361,529.20
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Solution
The fourth proportional to 10,306,313.20, 15,459,469.80 and 9,361,529.20 is: 14,042,293.80
Step by Step Solution
- Step 1: Write the proportion equation
10,306,313.20 : 15,459,469.80 = 9,361,529.20 : x - Step 2: Convert to fraction form
10,306,313.20/15,459,469.80 = 9,361,529.20/x - Step 3: Cross multiply
10,306,313.20x = 15,459,469.80 × 9,361,529.20 - Step 4: Simplify right side
10,306,313.20x = 144,724,277,949,218.16 - Step 5: Solve for x
x = 144,724,277,949,218.16/10,306,313.20 - Step 6: Final answer
x = 14,042,293.80
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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.