Finding the Fourth Proportional to 6,898,765.20, 10,348,147.80 and 6,786,790.80
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Solution
The fourth proportional to 6,898,765.20, 10,348,147.80 and 6,786,790.80 is: 10,180,186.20
Step by Step Solution
- Step 1: Write the proportion equation
6,898,765.20 : 10,348,147.80 = 6,786,790.80 : x - Step 2: Convert to fraction form
6,898,765.20/10,348,147.80 = 6,786,790.80/x - Step 3: Cross multiply
6,898,765.20x = 10,348,147.80 × 6,786,790.80 - Step 4: Simplify right side
6,898,765.20x = 70,230,714,286,080.24 - Step 5: Solve for x
x = 70,230,714,286,080.24/6,898,765.20 - Step 6: Final answer
x = 10,180,186.20
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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.