Finding the Fourth Proportional to 16,398,538.60, 24,604,806.30 and 7,874,487.40
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Solution
The fourth proportional to 16,398,538.60, 24,604,806.30 and 7,874,487.40 is: 11,815,091.69
Step by Step Solution
- Step 1: Write the proportion equation
16,398,538.60 : 24,604,806.30 = 7,874,487.40 : x - Step 2: Convert to fraction form
16,398,538.60/24,604,806.30 = 7,874,487.40/x - Step 3: Cross multiply
16,398,538.60x = 24,604,806.30 × 7,874,487.40 - Step 4: Simplify right side
16,398,538.60x = 193,750,237,188,790.62 - Step 5: Solve for x
x = 193,750,237,188,790.62/16,398,538.60 - Step 6: Final answer
x = 11,815,091.69
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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.