Finding the Fourth Proportional to 7,207,926.48, 9,945,956.79 and 4,306,704.12
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Solution
The fourth proportional to 7,207,926.48, 9,945,956.79 and 4,306,704.12 is: 5,942,665.09
Step by Step Solution
- Step 1: Write the proportion equation
7,207,926.48 : 9,945,956.79 = 4,306,704.12 : x - Step 2: Convert to fraction form
7,207,926.48/9,945,956.79 = 4,306,704.12/x - Step 3: Cross multiply
7,207,926.48x = 9,945,956.79 × 4,306,704.12 - Step 4: Simplify right side
7,207,926.48x = 42,834,293,084,834.97 - Step 5: Solve for x
x = 42,834,293,084,834.97/7,207,926.48 - Step 6: Final answer
x = 5,942,665.09
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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.