Finding the Fourth Proportional to 7,881,129.05, 10,875,711.32 and 4,620,115.68
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Solution
The fourth proportional to 7,881,129.05, 10,875,711.32 and 4,620,115.68 is: 6,375,614.97
Step by Step Solution
- Step 1: Write the proportion equation
7,881,129.05 : 10,875,711.32 = 4,620,115.68 : x - Step 2: Convert to fraction form
7,881,129.05/10,875,711.32 = 4,620,115.68/x - Step 3: Cross multiply
7,881,129.05x = 10,875,711.32 × 4,620,115.68 - Step 4: Simplify right side
7,881,129.05x = 50,247,044,377,584.91 - Step 5: Solve for x
x = 50,247,044,377,584.91/7,881,129.05 - Step 6: Final answer
x = 6,375,614.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.