Finding the Fourth Proportional to 7,057,608.20, 10,586,412.30 and 4,216,257.80
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Solution
The fourth proportional to 7,057,608.20, 10,586,412.30 and 4,216,257.80 is: 6,324,386.70
Step by Step Solution
- Step 1: Write the proportion equation
7,057,608.20 : 10,586,412.30 = 4,216,257.80 : x - Step 2: Convert to fraction form
7,057,608.20/10,586,412.30 = 4,216,257.80/x - Step 3: Cross multiply
7,057,608.20x = 10,586,412.30 × 4,216,257.80 - Step 4: Simplify right side
7,057,608.20x = 44,635,043,433,890.94 - Step 5: Solve for x
x = 44,635,043,433,890.94/7,057,608.20 - Step 6: Final answer
x = 6,324,386.70
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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.