Finding the Fourth Proportional to 11,238,873.93, 16,857,611.06 and 6,921,745.65
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Solution
The fourth proportional to 11,238,873.93, 16,857,611.06 and 6,921,745.65 is: 10,382,187.46
Step by Step Solution
- Step 1: Write the proportion equation
11,238,873.93 : 16,857,611.06 = 6,921,745.65 : x - Step 2: Convert to fraction form
11,238,873.93/16,857,611.06 = 6,921,745.65/x - Step 3: Cross multiply
11,238,873.93x = 16,857,611.06 × 6,921,745.65 - Step 4: Simplify right side
11,238,873.93x = 116,684,095,989,338.17 - Step 5: Solve for x
x = 116,684,095,989,338.17/11,238,873.93 - Step 6: Final answer
x = 10,382,187.46
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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.