Finding the Fourth Proportional to 17,861,103.84, 26,770,397.76 and 12,440,405.28
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Solution
The fourth proportional to 17,861,103.84, 26,770,397.76 and 12,440,405.28 is: 18,645,801.55
Step by Step Solution
- Step 1: Write the proportion equation
17,861,103.84 : 26,770,397.76 = 12,440,405.28 : x - Step 2: Convert to fraction form
17,861,103.84/26,770,397.76 = 12,440,405.28/x - Step 3: Cross multiply
17,861,103.84x = 26,770,397.76 × 12,440,405.28 - Step 4: Simplify right side
17,861,103.84x = 333,034,597,641,204.19 - Step 5: Solve for x
x = 333,034,597,641,204.19/17,861,103.84 - Step 6: Final answer
x = 18,645,801.55
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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.