Finding the Fourth Proportional to 7,115,028.94, 10,676,793.98 and 6,536,163.03
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Solution
The fourth proportional to 7,115,028.94, 10,676,793.98 and 6,536,163.03 is: 9,808,149.30
Step by Step Solution
- Step 1: Write the proportion equation
7,115,028.94 : 10,676,793.98 = 6,536,163.03 : x - Step 2: Convert to fraction form
7,115,028.94/10,676,793.98 = 6,536,163.03/x - Step 3: Cross multiply
7,115,028.94x = 10,676,793.98 × 6,536,163.03 - Step 4: Simplify right side
7,115,028.94x = 69,785,266,091,002.56 - Step 5: Solve for x
x = 69,785,266,091,002.56/7,115,028.94 - Step 6: Final answer
x = 9,808,149.30
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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.