Finding the Fourth Proportional to 14,857,355.70, 20,757,782.70 and 14,857,355.70
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Solution
The fourth proportional to 14,857,355.70, 20,757,782.70 and 14,857,355.70 is: 20,757,782.70
Step by Step Solution
- Step 1: Write the proportion equation
14,857,355.70 : 20,757,782.70 = 14,857,355.70 : x - Step 2: Convert to fraction form
14,857,355.70/20,757,782.70 = 14,857,355.70/x - Step 3: Cross multiply
14,857,355.70x = 20,757,782.70 × 14,857,355.70 - Step 4: Simplify right side
14,857,355.70x = 308,405,761,117,206.38 - Step 5: Solve for x
x = 308,405,761,117,206.38/14,857,355.70 - Step 6: Final answer
x = 20,757,782.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.