Finding the Fourth Proportional to 38,992,769.26, 53,811,703.06 and 21,589,114.48
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Solution
The fourth proportional to 38,992,769.26, 53,811,703.06 and 21,589,114.48 is: 29,793,908.96
Step by Step Solution
- Step 1: Write the proportion equation
38,992,769.26 : 53,811,703.06 = 21,589,114.48 : x - Step 2: Convert to fraction form
38,992,769.26/53,811,703.06 = 21,589,114.48/x - Step 3: Cross multiply
38,992,769.26x = 53,811,703.06 × 21,589,114.48 - Step 4: Simplify right side
38,992,769.26x = 1,161,747,017,659,043 - Step 5: Solve for x
x = 1,161,747,017,659,043/38,992,769.26 - Step 6: Final answer
x = 29,793,908.96
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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.