Finding the Fourth Proportional to 12,121,065.06, 16,727,425.34 and 6,614,795.49
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Solution
The fourth proportional to 12,121,065.06, 16,727,425.34 and 6,614,795.49 is: 9,128,611.81
Step by Step Solution
- Step 1: Write the proportion equation
12,121,065.06 : 16,727,425.34 = 6,614,795.49 : x - Step 2: Convert to fraction form
12,121,065.06/16,727,425.34 = 6,614,795.49/x - Step 3: Cross multiply
12,121,065.06x = 16,727,425.34 × 6,614,795.49 - Step 4: Simplify right side
12,121,065.06x = 110,648,497,665,269.75 - Step 5: Solve for x
x = 110,648,497,665,269.75/12,121,065.06 - Step 6: Final answer
x = 9,128,611.81
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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.