Finding the Fourth Proportional to 18,954,984.32, 28,432,441.92 and 6,175,473.92
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Solution
The fourth proportional to 18,954,984.32, 28,432,441.92 and 6,175,473.92 is: 9,263,199.62
Step by Step Solution
- Step 1: Write the proportion equation
18,954,984.32 : 28,432,441.92 = 6,175,473.92 : x - Step 2: Convert to fraction form
18,954,984.32/28,432,441.92 = 6,175,473.92/x - Step 3: Cross multiply
18,954,984.32x = 28,432,441.92 × 6,175,473.92 - Step 4: Simplify right side
18,954,984.32x = 175,583,803,558,874.75 - Step 5: Solve for x
x = 175,583,803,558,874.75/18,954,984.32 - Step 6: Final answer
x = 9,263,199.62
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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.