Finding the Fourth Proportional to 36,690,135.98, 55,041,846.98 and 18,448,423.65
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Solution
The fourth proportional to 36,690,135.98, 55,041,846.98 and 18,448,423.65 is: 27,675,975.69
Step by Step Solution
- Step 1: Write the proportion equation
36,690,135.98 : 55,041,846.98 = 18,448,423.65 : x - Step 2: Convert to fraction form
36,690,135.98/55,041,846.98 = 18,448,423.65/x - Step 3: Cross multiply
36,690,135.98x = 55,041,846.98 × 18,448,423.65 - Step 4: Simplify right side
36,690,135.98x = 1,015,435,311,473,270.88 - Step 5: Solve for x
x = 1,015,435,311,473,270.88/36,690,135.98 - Step 6: Final answer
x = 27,675,975.69
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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.