Finding the Fourth Proportional to 18,746,540.70, 28,119,811.05 and 5,968,337.10
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Solution
The fourth proportional to 18,746,540.70, 28,119,811.05 and 5,968,337.10 is: 8,952,505.65
Step by Step Solution
- Step 1: Write the proportion equation
18,746,540.70 : 28,119,811.05 = 5,968,337.10 : x - Step 2: Convert to fraction form
18,746,540.70/28,119,811.05 = 5,968,337.10/x - Step 3: Cross multiply
18,746,540.70x = 28,119,811.05 × 5,968,337.10 - Step 4: Simplify right side
18,746,540.70x = 167,828,511,534,704.94 - Step 5: Solve for x
x = 167,828,511,534,704.94/18,746,540.70 - Step 6: Final answer
x = 8,952,505.65
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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.