Finding the Fourth Proportional to 35,364,785.07, 48,785,545.81 and 20,670,851.49
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Solution
The fourth proportional to 35,364,785.07, 48,785,545.81 and 20,670,851.49 is: 28,515,337.23
Step by Step Solution
- Step 1: Write the proportion equation
35,364,785.07 : 48,785,545.81 = 20,670,851.49 : x - Step 2: Convert to fraction form
35,364,785.07/48,785,545.81 = 20,670,851.49/x - Step 3: Cross multiply
35,364,785.07x = 48,785,545.81 × 20,670,851.49 - Step 4: Simplify right side
35,364,785.07x = 1,008,438,772,297,101.75 - Step 5: Solve for x
x = 1,008,438,772,297,101.75/35,364,785.07 - Step 6: Final answer
x = 28,515,337.23
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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.