Finding the Fourth Proportional to 35,511,529.14, 49,000,655.97 and 21,565,631.70
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Solution
The fourth proportional to 35,511,529.14, 49,000,655.97 and 21,565,631.70 is: 29,757,380.92
Step by Step Solution
- Step 1: Write the proportion equation
35,511,529.14 : 49,000,655.97 = 21,565,631.70 : x - Step 2: Convert to fraction form
35,511,529.14/49,000,655.97 = 21,565,631.70/x - Step 3: Cross multiply
35,511,529.14x = 49,000,655.97 × 21,565,631.70 - Step 4: Simplify right side
35,511,529.14x = 1,056,730,099,707,426.12 - Step 5: Solve for x
x = 1,056,730,099,707,426.12/35,511,529.14 - Step 6: Final answer
x = 29,757,380.92
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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.