Finding the Fourth Proportional to 8,124,634.08, 11,211,719.76 and 4,686,786.72
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Solution
The fourth proportional to 8,124,634.08, 11,211,719.76 and 4,686,786.72 is: 6,467,606.88
Step by Step Solution
- Step 1: Write the proportion equation
8,124,634.08 : 11,211,719.76 = 4,686,786.72 : x - Step 2: Convert to fraction form
8,124,634.08/11,211,719.76 = 4,686,786.72/x - Step 3: Cross multiply
8,124,634.08x = 11,211,719.76 × 4,686,786.72 - Step 4: Simplify right side
8,124,634.08x = 52,546,939,279,529.59 - Step 5: Solve for x
x = 52,546,939,279,529.59/8,124,634.08 - Step 6: Final answer
x = 6,467,606.88
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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.