Finding the Fourth Proportional to 26,375,934.80, 39,563,902.20 and 21,589,029.20
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Solution
The fourth proportional to 26,375,934.80, 39,563,902.20 and 21,589,029.20 is: 32,383,543.80
Step by Step Solution
- Step 1: Write the proportion equation
26,375,934.80 : 39,563,902.20 = 21,589,029.20 : x - Step 2: Convert to fraction form
26,375,934.80/39,563,902.20 = 21,589,029.20/x - Step 3: Cross multiply
26,375,934.80x = 39,563,902.20 × 21,589,029.20 - Step 4: Simplify right side
26,375,934.80x = 854,146,239,861,744.25 - Step 5: Solve for x
x = 854,146,239,861,744.25/26,375,934.80 - Step 6: Final answer
x = 32,383,543.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.