Finding the Fourth Proportional to 16,102,732.37, 22,221,867.31 and 8,760,618.18
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Solution
The fourth proportional to 16,102,732.37, 22,221,867.31 and 8,760,618.18 is: 12,089,705.67
Step by Step Solution
- Step 1: Write the proportion equation
16,102,732.37 : 22,221,867.31 = 8,760,618.18 : x - Step 2: Convert to fraction form
16,102,732.37/22,221,867.31 = 8,760,618.18/x - Step 3: Cross multiply
16,102,732.37x = 22,221,867.31 × 8,760,618.18 - Step 4: Simplify right side
16,102,732.37x = 194,677,294,727,632.16 - Step 5: Solve for x
x = 194,677,294,727,632.16/16,102,732.37 - Step 6: Final answer
x = 12,089,705.67
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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.