Finding the Fourth Proportional to 11,240,855.60, 16,861,258.40 and 8,685,785.84
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Solution
The fourth proportional to 11,240,855.60, 16,861,258.40 and 8,685,785.84 is: 13,028,659.44
Step by Step Solution
- Step 1: Write the proportion equation
11,240,855.60 : 16,861,258.40 = 8,685,785.84 : x - Step 2: Convert to fraction form
11,240,855.60/16,861,258.40 = 8,685,785.84/x - Step 3: Cross multiply
11,240,855.60x = 16,861,258.40 × 8,685,785.84 - Step 4: Simplify right side
11,240,855.60x = 146,453,279,455,301.03 - Step 5: Solve for x
x = 146,453,279,455,301.03/11,240,855.60 - Step 6: Final answer
x = 13,028,659.44
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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.