Finding the Fourth Proportional to 8,438,249.96, 11,644,511.58 and 4,716,981.98
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Solution
The fourth proportional to 8,438,249.96, 11,644,511.58 and 4,716,981.98 is: 6,509,282.32
Step by Step Solution
- Step 1: Write the proportion equation
8,438,249.96 : 11,644,511.58 = 4,716,981.98 : x - Step 2: Convert to fraction form
8,438,249.96/11,644,511.58 = 4,716,981.98/x - Step 3: Cross multiply
8,438,249.96x = 11,644,511.58 × 4,716,981.98 - Step 4: Simplify right side
8,438,249.96x = 54,926,951,288,761.34 - Step 5: Solve for x
x = 54,926,951,288,761.34/8,438,249.96 - Step 6: Final answer
x = 6,509,282.32
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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.