Finding the Fourth Proportional to 8,201,943.55, 12,302,919.64 and 2,136,659.23
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Solution
The fourth proportional to 8,201,943.55, 12,302,919.64 and 2,136,659.23 is: 3,204,989.96
Step by Step Solution
- Step 1: Write the proportion equation
8,201,943.55 : 12,302,919.64 = 2,136,659.23 : x - Step 2: Convert to fraction form
8,201,943.55/12,302,919.64 = 2,136,659.23/x - Step 3: Cross multiply
8,201,943.55x = 12,302,919.64 × 2,136,659.23 - Step 4: Simplify right side
8,201,943.55x = 26,287,146,743,239.68 - Step 5: Solve for x
x = 26,287,146,743,239.68/8,201,943.55 - Step 6: Final answer
x = 3,204,989.96
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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.