Finding the Fourth Proportional to 6,716,697.29, 9,274,855.68 and 6,371,931.62
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Solution
The fourth proportional to 6,716,697.29, 9,274,855.68 and 6,371,931.62 is: 8,798,780.65
Step by Step Solution
- Step 1: Write the proportion equation
6,716,697.29 : 9,274,855.68 = 6,371,931.62 : x - Step 2: Convert to fraction form
6,716,697.29/9,274,855.68 = 6,371,931.62/x - Step 3: Cross multiply
6,716,697.29x = 9,274,855.68 × 6,371,931.62 - Step 4: Simplify right side
6,716,697.29x = 59,098,746,100,094.67 - Step 5: Solve for x
x = 59,098,746,100,094.67/6,716,697.29 - Step 6: Final answer
x = 8,798,780.65
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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.