Finding the Fourth Proportional to 18,933,326.68, 26,126,864.79 and 10,985,253.36
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Solution
The fourth proportional to 18,933,326.68, 26,126,864.79 and 10,985,253.36 is: 15,158,996.30
Step by Step Solution
- Step 1: Write the proportion equation
18,933,326.68 : 26,126,864.79 = 10,985,253.36 : x - Step 2: Convert to fraction form
18,933,326.68/26,126,864.79 = 10,985,253.36/x - Step 3: Cross multiply
18,933,326.68x = 26,126,864.79 × 10,985,253.36 - Step 4: Simplify right side
18,933,326.68x = 287,010,229,103,710.44 - Step 5: Solve for x
x = 287,010,229,103,710.44/18,933,326.68 - Step 6: Final answer
x = 15,158,996.30
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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.