Finding the Fourth Proportional to 10,757,896.80, 16,115,072.40 and 6,701,935.20
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Solution
The fourth proportional to 10,757,896.80, 16,115,072.40 and 6,701,935.20 is: 10,039,338.82
Step by Step Solution
- Step 1: Write the proportion equation
10,757,896.80 : 16,115,072.40 = 6,701,935.20 : x - Step 2: Convert to fraction form
10,757,896.80/16,115,072.40 = 6,701,935.20/x - Step 3: Cross multiply
10,757,896.80x = 16,115,072.40 × 6,701,935.20 - Step 4: Simplify right side
10,757,896.80x = 108,002,170,968,108.48 - Step 5: Solve for x
x = 108,002,170,968,108.48/10,757,896.80 - Step 6: Final answer
x = 10,039,338.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.