Finding the Fourth Proportional to 8,689,944.86, 13,036,135.63 and 2,623,988.71
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Solution
The fourth proportional to 8,689,944.86, 13,036,135.63 and 2,623,988.71 is: 3,936,350.95
Step by Step Solution
- Step 1: Write the proportion equation
8,689,944.86 : 13,036,135.63 = 2,623,988.71 : x - Step 2: Convert to fraction form
8,689,944.86/13,036,135.63 = 2,623,988.71/x - Step 3: Cross multiply
8,689,944.86x = 13,036,135.63 × 2,623,988.71 - Step 4: Simplify right side
8,689,944.86x = 34,206,672,715,148.74 - Step 5: Solve for x
x = 34,206,672,715,148.74/8,689,944.86 - Step 6: Final answer
x = 3,936,350.95
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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.