Finding the Fourth Proportional to 36,112,926.70, 49,826,198.55 and 21,416,374.18
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Solution
The fourth proportional to 36,112,926.70, 49,826,198.55 and 21,416,374.18 is: 29,548,879.30
Step by Step Solution
- Step 1: Write the proportion equation
36,112,926.70 : 49,826,198.55 = 21,416,374.18 : x - Step 2: Convert to fraction form
36,112,926.70/49,826,198.55 = 21,416,374.18/x - Step 3: Cross multiply
36,112,926.70x = 49,826,198.55 × 21,416,374.18 - Step 4: Simplify right side
36,112,926.70x = 1,067,096,512,113,773.38 - Step 5: Solve for x
x = 1,067,096,512,113,773.38/36,112,926.70 - Step 6: Final answer
x = 29,548,879.30
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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.