Finding the Fourth Proportional to 11,193,045.10, 16,785,420.45 and 3,620,257.90
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Solution
The fourth proportional to 11,193,045.10, 16,785,420.45 and 3,620,257.90 is: 5,429,045.49
Step by Step Solution
- Step 1: Write the proportion equation
11,193,045.10 : 16,785,420.45 = 3,620,257.90 : x - Step 2: Convert to fraction form
11,193,045.10/16,785,420.45 = 3,620,257.90/x - Step 3: Cross multiply
11,193,045.10x = 16,785,420.45 × 3,620,257.90 - Step 4: Simplify right side
11,193,045.10x = 60,767,550,988,934.05 - Step 5: Solve for x
x = 60,767,550,988,934.05/11,193,045.10 - Step 6: Final answer
x = 5,429,045.49
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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.