Finding the Fourth Proportional to 12,253,005.40, 18,383,444.70 and 8,214,053.80
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Solution
The fourth proportional to 12,253,005.40, 18,383,444.70 and 8,214,053.80 is: 12,323,719.68
Step by Step Solution
- Step 1: Write the proportion equation
12,253,005.40 : 18,383,444.70 = 8,214,053.80 : x - Step 2: Convert to fraction form
12,253,005.40/18,383,444.70 = 8,214,053.80/x - Step 3: Cross multiply
12,253,005.40x = 18,383,444.70 × 8,214,053.80 - Step 4: Simplify right side
12,253,005.40x = 151,002,603,795,124.84 - Step 5: Solve for x
x = 151,002,603,795,124.84/12,253,005.40 - Step 6: Final answer
x = 12,323,719.68
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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.