Finding the Fourth Proportional to 8,237,624.40, 12,358,769.40 and 2,558,422.80
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Solution
The fourth proportional to 8,237,624.40, 12,358,769.40 and 2,558,422.80 is: 3,838,358.72
Step by Step Solution
- Step 1: Write the proportion equation
8,237,624.40 : 12,358,769.40 = 2,558,422.80 : x - Step 2: Convert to fraction form
8,237,624.40/12,358,769.40 = 2,558,422.80/x - Step 3: Cross multiply
8,237,624.40x = 12,358,769.40 × 2,558,422.80 - Step 4: Simplify right side
8,237,624.40x = 31,618,957,412,902.32 - Step 5: Solve for x
x = 31,618,957,412,902.32/8,237,624.40 - Step 6: Final answer
x = 3,838,358.72
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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.