Finding the Fourth Proportional to 12,252,544.24, 18,378,810.56 and 4,680,275.44
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Solution
The fourth proportional to 12,252,544.24, 18,378,810.56 and 4,680,275.44 is: 7,020,410.94
Step by Step Solution
- Step 1: Write the proportion equation
12,252,544.24 : 18,378,810.56 = 4,680,275.44 : x - Step 2: Convert to fraction form
12,252,544.24/18,378,810.56 = 4,680,275.44/x - Step 3: Cross multiply
12,252,544.24x = 18,378,810.56 × 4,680,275.44 - Step 4: Simplify right side
12,252,544.24x = 86,017,895,680,380.64 - Step 5: Solve for x
x = 86,017,895,680,380.64/12,252,544.24 - Step 6: Final answer
x = 7,020,410.94
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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.