Finding the Fourth Proportional to 14,984,343.74, 20,678,393.68 and 8,108,825.99
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Solution
The fourth proportional to 14,984,343.74, 20,678,393.68 and 8,108,825.99 is: 11,190,179.49
Step by Step Solution
- Step 1: Write the proportion equation
14,984,343.74 : 20,678,393.68 = 8,108,825.99 : x - Step 2: Convert to fraction form
14,984,343.74/20,678,393.68 = 8,108,825.99/x - Step 3: Cross multiply
14,984,343.74x = 20,678,393.68 × 8,108,825.99 - Step 4: Simplify right side
14,984,343.74x = 167,677,495,980,171.72 - Step 5: Solve for x
x = 167,677,495,980,171.72/14,984,343.74 - Step 6: Final answer
x = 11,190,179.49
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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.