Finding the Fourth Proportional to 13,818,703.87, 20,727,307.97 and 4,234,110.15
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Solution
The fourth proportional to 13,818,703.87, 20,727,307.97 and 4,234,110.15 is: 6,350,936.09
Step by Step Solution
- Step 1: Write the proportion equation
13,818,703.87 : 20,727,307.97 = 4,234,110.15 : x - Step 2: Convert to fraction form
13,818,703.87/20,727,307.97 = 4,234,110.15/x - Step 3: Cross multiply
13,818,703.87x = 20,727,307.97 × 4,234,110.15 - Step 4: Simplify right side
13,818,703.87x = 87,761,705,057,952.89 - Step 5: Solve for x
x = 87,761,705,057,952.89/13,818,703.87 - Step 6: Final answer
x = 6,350,936.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.