Finding the Fourth Proportional to 14,273,952.81, 19,698,074.81 and 7,747,583.62
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Solution
The fourth proportional to 14,273,952.81, 19,698,074.81 and 7,747,583.62 is: 10,691,676.21
Step by Step Solution
- Step 1: Write the proportion equation
14,273,952.81 : 19,698,074.81 = 7,747,583.62 : x - Step 2: Convert to fraction form
14,273,952.81/19,698,074.81 = 7,747,583.62/x - Step 3: Cross multiply
14,273,952.81x = 19,698,074.81 × 7,747,583.62 - Step 4: Simplify right side
14,273,952.81x = 152,612,481,693,793.44 - Step 5: Solve for x
x = 152,612,481,693,793.44/14,273,952.81 - Step 6: Final answer
x = 10,691,676.21
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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.