Finding the Fourth Proportional to 12,367,816.96, 17,067,763.84 and 7,472,359.68
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Solution
The fourth proportional to 12,367,816.96, 17,067,763.84 and 7,472,359.68 is: 10,311,962.96
Step by Step Solution
- Step 1: Write the proportion equation
12,367,816.96 : 17,067,763.84 = 7,472,359.68 : x - Step 2: Convert to fraction form
12,367,816.96/17,067,763.84 = 7,472,359.68/x - Step 3: Cross multiply
12,367,816.96x = 17,067,763.84 × 7,472,359.68 - Step 4: Simplify right side
12,367,816.96x = 127,536,470,345,777.97 - Step 5: Solve for x
x = 127,536,470,345,777.97/12,367,816.96 - Step 6: Final answer
x = 10,311,962.96
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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.