Finding the Fourth Proportional to 8,201,617.70, 12,302,426.55 and 3,407,713.70
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Solution
The fourth proportional to 8,201,617.70, 12,302,426.55 and 3,407,713.70 is: 5,111,570.55
Step by Step Solution
- Step 1: Write the proportion equation
8,201,617.70 : 12,302,426.55 = 3,407,713.70 : x - Step 2: Convert to fraction form
8,201,617.70/12,302,426.55 = 3,407,713.70/x - Step 3: Cross multiply
8,201,617.70x = 12,302,426.55 × 3,407,713.70 - Step 4: Simplify right side
8,201,617.70x = 41,923,147,497,678.74 - Step 5: Solve for x
x = 41,923,147,497,678.74/8,201,617.70 - Step 6: Final answer
x = 5,111,570.55
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Double scale
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Similar ratio
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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.