Finding the Fourth Proportional to 14,984,176.52, 20,678,163.53 and 8,108,658.58
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Solution
The fourth proportional to 14,984,176.52, 20,678,163.53 and 8,108,658.58 is: 11,189,948.80
Step by Step Solution
- Step 1: Write the proportion equation
14,984,176.52 : 20,678,163.53 = 8,108,658.58 : x - Step 2: Convert to fraction form
14,984,176.52/20,678,163.53 = 8,108,658.58/x - Step 3: Cross multiply
14,984,176.52x = 20,678,163.53 × 8,108,658.58 - Step 4: Simplify right side
14,984,176.52x = 167,672,168,126,177.59 - Step 5: Solve for x
x = 167,672,168,126,177.59/14,984,176.52 - Step 6: Final answer
x = 11,189,948.80
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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.