Finding the Fourth Proportional to 12,278,291.43, 18,414,295.58 and 3,640,372.02
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Solution
The fourth proportional to 12,278,291.43, 18,414,295.58 and 3,640,372.02 is: 5,459,626.59
Step by Step Solution
- Step 1: Write the proportion equation
12,278,291.43 : 18,414,295.58 = 3,640,372.02 : x - Step 2: Convert to fraction form
12,278,291.43/18,414,295.58 = 3,640,372.02/x - Step 3: Cross multiply
12,278,291.43x = 18,414,295.58 × 3,640,372.02 - Step 4: Simplify right side
12,278,291.43x = 67,034,886,379,239.81 - Step 5: Solve for x
x = 67,034,886,379,239.81/12,278,291.43 - Step 6: Final answer
x = 5,459,626.59
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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.