Finding the Fourth Proportional to 32,143,518.53, 44,358,415.03 and 18,915,619.88
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Solution
The fourth proportional to 32,143,518.53, 44,358,415.03 and 18,915,619.88 is: 26,103,766.96
Step by Step Solution
- Step 1: Write the proportion equation
32,143,518.53 : 44,358,415.03 = 18,915,619.88 : x - Step 2: Convert to fraction form
32,143,518.53/44,358,415.03 = 18,915,619.88/x - Step 3: Cross multiply
32,143,518.53x = 44,358,415.03 × 18,915,619.88 - Step 4: Simplify right side
32,143,518.53x = 839,066,916,870,388.62 - Step 5: Solve for x
x = 839,066,916,870,388.62/32,143,518.53 - Step 6: Final answer
x = 26,103,766.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.