Finding the Fourth Proportional to 49,797,840.12, 68,721,544.26 and 28,067,808.12
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Solution
The fourth proportional to 49,797,840.12, 68,721,544.26 and 28,067,808.12 is: 38,733,871.05
Step by Step Solution
- Step 1: Write the proportion equation
49,797,840.12 : 68,721,544.26 = 28,067,808.12 : x - Step 2: Convert to fraction form
49,797,840.12/68,721,544.26 = 28,067,808.12/x - Step 3: Cross multiply
49,797,840.12x = 68,721,544.26 × 28,067,808.12 - Step 4: Simplify right side
49,797,840.12x = 1,928,863,117,999,767.50 - Step 5: Solve for x
x = 1,928,863,117,999,767.50/49,797,840.12 - Step 6: Final answer
x = 38,733,871.05
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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.