Finding the Fourth Proportional to 40,224,097.20, 60,367,638.60 and 18,661,370.70
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Solution
The fourth proportional to 40,224,097.20, 60,367,638.60 and 18,661,370.70 is: 28,006,666.67
Step by Step Solution
- Step 1: Write the proportion equation
40,224,097.20 : 60,367,638.60 = 18,661,370.70 : x - Step 2: Convert to fraction form
40,224,097.20/60,367,638.60 = 18,661,370.70/x - Step 3: Cross multiply
40,224,097.20x = 60,367,638.60 × 18,661,370.70 - Step 4: Simplify right side
40,224,097.20x = 1,126,542,882,198,229 - Step 5: Solve for x
x = 1,126,542,882,198,229/40,224,097.20 - Step 6: Final answer
x = 28,006,666.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.