Finding the Fourth Proportional to 7,150,517.80, 10,725,776.70 and 5,890,805.80
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Solution
The fourth proportional to 7,150,517.80, 10,725,776.70 and 5,890,805.80 is: 8,836,208.70
Step by Step Solution
- Step 1: Write the proportion equation
7,150,517.80 : 10,725,776.70 = 5,890,805.80 : x - Step 2: Convert to fraction form
7,150,517.80/10,725,776.70 = 5,890,805.80/x - Step 3: Cross multiply
7,150,517.80x = 10,725,776.70 × 5,890,805.80 - Step 4: Simplify right side
7,150,517.80x = 63,183,467,593,864.85 - Step 5: Solve for x
x = 63,183,467,593,864.85/7,150,517.80 - Step 6: Final answer
x = 8,836,208.70
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1.5x scale
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.