Finding the Fourth Proportional to 13,052,098.66, 18,013,556.86 and 7,895,497.12
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Solution
The fourth proportional to 13,052,098.66, 18,013,556.86 and 7,895,497.12 is: 10,896,790.62
Step by Step Solution
- Step 1: Write the proportion equation
13,052,098.66 : 18,013,556.86 = 7,895,497.12 : x - Step 2: Convert to fraction form
13,052,098.66/18,013,556.86 = 7,895,497.12/x - Step 3: Cross multiply
13,052,098.66x = 18,013,556.86 × 7,895,497.12 - Step 4: Simplify right side
13,052,098.66x = 142,225,986,309,086.25 - Step 5: Solve for x
x = 142,225,986,309,086.25/13,052,098.66 - Step 6: Final answer
x = 10,896,790.62
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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.