Finding the Fourth Proportional to 9,771,245.80, 14,656,868.70 and 7,251,821.80
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Solution
The fourth proportional to 9,771,245.80, 14,656,868.70 and 7,251,821.80 is: 10,877,732.70
Step by Step Solution
- Step 1: Write the proportion equation
9,771,245.80 : 14,656,868.70 = 7,251,821.80 : x - Step 2: Convert to fraction form
9,771,245.80/14,656,868.70 = 7,251,821.80/x - Step 3: Cross multiply
9,771,245.80x = 14,656,868.70 × 7,251,821.80 - Step 4: Simplify right side
9,771,245.80x = 106,288,999,958,397.66 - Step 5: Solve for x
x = 106,288,999,958,397.66/9,771,245.80 - Step 6: Final answer
x = 10,877,732.70
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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.