Finding the Fourth Proportional to 10,378,408.88, 15,567,668.90 and 6,806,793.05
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Solution
The fourth proportional to 10,378,408.88, 15,567,668.90 and 6,806,793.05 is: 10,210,226.02
Step by Step Solution
- Step 1: Write the proportion equation
10,378,408.88 : 15,567,668.90 = 6,806,793.05 : x - Step 2: Convert to fraction form
10,378,408.88/15,567,668.90 = 6,806,793.05/x - Step 3: Cross multiply
10,378,408.88x = 15,567,668.90 × 6,806,793.05 - Step 4: Simplify right side
10,378,408.88x = 105,965,900,361,348.83 - Step 5: Solve for x
x = 105,965,900,361,348.83/10,378,408.88 - Step 6: Final answer
x = 10,210,226.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.