Finding the Fourth Proportional to 32,379,561.68, 48,555,516.83 and 18,742,121.42
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Solution
The fourth proportional to 32,379,561.68, 48,555,516.83 and 18,742,121.42 is: 28,105,179.46
Step by Step Solution
- Step 1: Write the proportion equation
32,379,561.68 : 48,555,516.83 = 18,742,121.42 : x - Step 2: Convert to fraction form
32,379,561.68/48,555,516.83 = 18,742,121.42/x - Step 3: Cross multiply
32,379,561.68x = 48,555,516.83 × 18,742,121.42 - Step 4: Simplify right side
32,379,561.68x = 910,033,391,702,225.38 - Step 5: Solve for x
x = 910,033,391,702,225.38/32,379,561.68 - Step 6: Final answer
x = 28,105,179.46
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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.