Finding the Fourth Proportional to 11,124,342.70, 16,686,514.05 and 10,344,895.90
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Solution
The fourth proportional to 11,124,342.70, 16,686,514.05 and 10,344,895.90 is: 15,517,343.85
Step by Step Solution
- Step 1: Write the proportion equation
11,124,342.70 : 16,686,514.05 = 10,344,895.90 : x - Step 2: Convert to fraction form
11,124,342.70/16,686,514.05 = 10,344,895.90/x - Step 3: Cross multiply
11,124,342.70x = 16,686,514.05 × 10,344,895.90 - Step 4: Simplify right side
11,124,342.70x = 172,620,250,781,137.41 - Step 5: Solve for x
x = 172,620,250,781,137.41/11,124,342.70 - Step 6: Final answer
x = 15,517,343.85
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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.