Finding the Fourth Proportional to 11,315,007.12, 15,614,708.96 and 6,158,405.64
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Solution
The fourth proportional to 11,315,007.12, 15,614,708.96 and 6,158,405.64 is: 8,498,599.31
Step by Step Solution
- Step 1: Write the proportion equation
11,315,007.12 : 15,614,708.96 = 6,158,405.64 : x - Step 2: Convert to fraction form
11,315,007.12/15,614,708.96 = 6,158,405.64/x - Step 3: Cross multiply
11,315,007.12x = 15,614,708.96 × 6,158,405.64 - Step 4: Simplify right side
11,315,007.12x = 96,161,711,726,222.53 - Step 5: Solve for x
x = 96,161,711,726,222.53/11,315,007.12 - Step 6: Final answer
x = 8,498,599.31
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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.