Finding the Fourth Proportional to 16,591,543.70, 24,887,315.55 and 13,757,191.70
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Solution
The fourth proportional to 16,591,543.70, 24,887,315.55 and 13,757,191.70 is: 20,635,787.55
Step by Step Solution
- Step 1: Write the proportion equation
16,591,543.70 : 24,887,315.55 = 13,757,191.70 : x - Step 2: Convert to fraction form
16,591,543.70/24,887,315.55 = 13,757,191.70/x - Step 3: Cross multiply
16,591,543.70x = 24,887,315.55 × 13,757,191.70 - Step 4: Simplify right side
16,591,543.70x = 342,379,570,919,740.94 - Step 5: Solve for x
x = 342,379,570,919,740.94/16,591,543.70 - Step 6: Final answer
x = 20,635,787.55
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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.