Finding the Fourth Proportional to 7,733,155.20, 11,596,233.60 and 3,471,129.60
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Solution
The fourth proportional to 7,733,155.20, 11,596,233.60 and 3,471,129.60 is: 5,205,123.74
Step by Step Solution
- Step 1: Write the proportion equation
7,733,155.20 : 11,596,233.60 = 3,471,129.60 : x - Step 2: Convert to fraction form
7,733,155.20/11,596,233.60 = 3,471,129.60/x - Step 3: Cross multiply
7,733,155.20x = 11,596,233.60 × 3,471,129.60 - Step 4: Simplify right side
7,733,155.20x = 40,252,029,697,474.56 - Step 5: Solve for x
x = 40,252,029,697,474.56/7,733,155.20 - Step 6: Final answer
x = 5,205,123.74
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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.