Finding the Fourth Proportional to 8,368,609.80, 12,552,914.70 and 8,368,609.80
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Solution
The fourth proportional to 8,368,609.80, 12,552,914.70 and 8,368,609.80 is: 12,552,914.70
Step by Step Solution
- Step 1: Write the proportion equation
8,368,609.80 : 12,552,914.70 = 8,368,609.80 : x - Step 2: Convert to fraction form
8,368,609.80/12,552,914.70 = 8,368,609.80/x - Step 3: Cross multiply
8,368,609.80x = 12,552,914.70 × 8,368,609.80 - Step 4: Simplify right side
8,368,609.80x = 105,050,444,976,984.05 - Step 5: Solve for x
x = 105,050,444,976,984.05/8,368,609.80 - Step 6: Final answer
x = 12,552,914.70
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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.