Finding the Fourth Proportional to 18,440,136.70, 27,660,205.05 and 18,440,136.70
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Solution
The fourth proportional to 18,440,136.70, 27,660,205.05 and 18,440,136.70 is: 27,660,205.05
Step by Step Solution
- Step 1: Write the proportion equation
18,440,136.70 : 27,660,205.05 = 18,440,136.70 : x - Step 2: Convert to fraction form
18,440,136.70/27,660,205.05 = 18,440,136.70/x - Step 3: Cross multiply
18,440,136.70x = 27,660,205.05 × 18,440,136.70 - Step 4: Simplify right side
18,440,136.70x = 510,057,962,272,030.31 - Step 5: Solve for x
x = 510,057,962,272,030.31/18,440,136.70 - Step 6: Final answer
x = 27,660,205.05
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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.