Finding the Fourth Proportional to 13,439,580.13, 20,153,764.97 and 4,215,176.02
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Solution
The fourth proportional to 13,439,580.13, 20,153,764.97 and 4,215,176.02 is: 6,321,006.01
Step by Step Solution
- Step 1: Write the proportion equation
13,439,580.13 : 20,153,764.97 = 4,215,176.02 : x - Step 2: Convert to fraction form
13,439,580.13/20,153,764.97 = 4,215,176.02/x - Step 3: Cross multiply
13,439,580.13x = 20,153,764.97 × 4,215,176.02 - Step 4: Simplify right side
13,439,580.13x = 84,951,666,814,260 - Step 5: Solve for x
x = 84,951,666,814,260/13,439,580.13 - Step 6: Final answer
x = 6,321,006.01
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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.