Finding the Fourth Proportional to 14,984,186.42, 20,678,177.33 and 8,108,668.55
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Solution
The fourth proportional to 14,984,186.42, 20,678,177.33 and 8,108,668.55 is: 11,189,962.64
Step by Step Solution
- Step 1: Write the proportion equation
14,984,186.42 : 20,678,177.33 = 8,108,668.55 : x - Step 2: Convert to fraction form
14,984,186.42/20,678,177.33 = 8,108,668.55/x - Step 3: Cross multiply
14,984,186.42x = 20,678,177.33 × 8,108,668.55 - Step 4: Simplify right side
14,984,186.42x = 167,672,486,187,093.97 - Step 5: Solve for x
x = 167,672,486,187,093.97/14,984,186.42 - Step 6: Final answer
x = 11,189,962.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.