Finding the Fourth Proportional to 12,121,063.56, 16,727,423.27 and 6,614,793.99
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Solution
The fourth proportional to 12,121,063.56, 16,727,423.27 and 6,614,793.99 is: 9,128,609.74
Step by Step Solution
- Step 1: Write the proportion equation
12,121,063.56 : 16,727,423.27 = 6,614,793.99 : x - Step 2: Convert to fraction form
12,121,063.56/16,727,423.27 = 6,614,793.99/x - Step 3: Cross multiply
12,121,063.56x = 16,727,423.27 × 6,614,793.99 - Step 4: Simplify right side
12,121,063.56x = 110,648,458,881,508.19 - Step 5: Solve for x
x = 110,648,458,881,508.19/12,121,063.56 - Step 6: Final answer
x = 9,128,609.74
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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.