Finding the Fourth Proportional to 18,415,606.64, 27,569,871.96 and 10,715,784.80
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Solution
The fourth proportional to 18,415,606.64, 27,569,871.96 and 10,715,784.80 is: 16,042,524.18
Step by Step Solution
- Step 1: Write the proportion equation
18,415,606.64 : 27,569,871.96 = 10,715,784.80 : x - Step 2: Convert to fraction form
18,415,606.64/27,569,871.96 = 10,715,784.80/x - Step 3: Cross multiply
18,415,606.64x = 27,569,871.96 × 10,715,784.80 - Step 4: Simplify right side
18,415,606.64x = 295,432,814,886,914.25 - Step 5: Solve for x
x = 295,432,814,886,914.25/18,415,606.64 - Step 6: Final answer
x = 16,042,524.18
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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.