Finding the Fourth Proportional to 14,984,160.55, 20,678,141.63 and 8,108,642.68
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Solution
The fourth proportional to 14,984,160.55, 20,678,141.63 and 8,108,642.68 is: 11,189,926.94
Step by Step Solution
- Step 1: Write the proportion equation
14,984,160.55 : 20,678,141.63 = 8,108,642.68 : x - Step 2: Convert to fraction form
14,984,160.55/20,678,141.63 = 8,108,642.68/x - Step 3: Cross multiply
14,984,160.55x = 20,678,141.63 × 8,108,642.68 - Step 4: Simplify right side
14,984,160.55x = 167,671,661,764,102.75 - Step 5: Solve for x
x = 167,671,661,764,102.75/14,984,160.55 - Step 6: Final answer
x = 11,189,926.94
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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.