Finding the Fourth Proportional to 47,556,136.40, 71,311,717.56 and 18,423,623.12
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Solution
The fourth proportional to 47,556,136.40, 71,311,717.56 and 18,423,623.12 is: 27,626,723.02
Step by Step Solution
- Step 1: Write the proportion equation
47,556,136.40 : 71,311,717.56 = 18,423,623.12 : x - Step 2: Convert to fraction form
47,556,136.40/71,311,717.56 = 18,423,623.12/x - Step 3: Cross multiply
47,556,136.40x = 71,311,717.56 × 18,423,623.12 - Step 4: Simplify right side
47,556,136.40x = 1,313,820,208,365,326 - Step 5: Solve for x
x = 1,313,820,208,365,326/47,556,136.40 - Step 6: Final answer
x = 27,626,723.02
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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.