Finding the Fourth Proportional to 16,512,766.20, 24,769,149.30 and 13,111,543.80
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Solution
The fourth proportional to 16,512,766.20, 24,769,149.30 and 13,111,543.80 is: 19,667,315.70
Step by Step Solution
- Step 1: Write the proportion equation
16,512,766.20 : 24,769,149.30 = 13,111,543.80 : x - Step 2: Convert to fraction form
16,512,766.20/24,769,149.30 = 13,111,543.80/x - Step 3: Cross multiply
16,512,766.20x = 24,769,149.30 × 13,111,543.80 - Step 4: Simplify right side
16,512,766.20x = 324,761,785,935,689.38 - Step 5: Solve for x
x = 324,761,785,935,689.38/16,512,766.20 - Step 6: Final answer
x = 19,667,315.70
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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.