Finding the Fourth Proportional to 8,330,122.80, 12,496,888.42 and 2,864,507.77
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Solution
The fourth proportional to 8,330,122.80, 12,496,888.42 and 2,864,507.77 is: 4,297,347.69
Step by Step Solution
- Step 1: Write the proportion equation
8,330,122.80 : 12,496,888.42 = 2,864,507.77 : x - Step 2: Convert to fraction form
8,330,122.80/12,496,888.42 = 2,864,507.77/x - Step 3: Cross multiply
8,330,122.80x = 12,496,888.42 × 2,864,507.77 - Step 4: Simplify right side
8,330,122.80x = 35,797,433,979,913.02 - Step 5: Solve for x
x = 35,797,433,979,913.02/8,330,122.80 - Step 6: Final answer
x = 4,297,347.69
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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.