Finding the Fourth Proportional to 14,409,121.80, 21,579,049.80 and 8,242,407.18
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Solution
The fourth proportional to 14,409,121.80, 21,579,049.80 and 8,242,407.18 is: 12,343,799.81
Step by Step Solution
- Step 1: Write the proportion equation
14,409,121.80 : 21,579,049.80 = 8,242,407.18 : x - Step 2: Convert to fraction form
14,409,121.80/21,579,049.80 = 8,242,407.18/x - Step 3: Cross multiply
14,409,121.80x = 21,579,049.80 × 8,242,407.18 - Step 4: Simplify right side
14,409,121.80x = 177,863,315,009,097.56 - Step 5: Solve for x
x = 177,863,315,009,097.56/14,409,121.80 - Step 6: Final answer
x = 12,343,799.81
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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.