Finding the Fourth Proportional to 22,782,984.96, 31,440,519.30 and 12,469,708.08
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Solution
The fourth proportional to 22,782,984.96, 31,440,519.30 and 12,469,708.08 is: 17,208,197.18
Step by Step Solution
- Step 1: Write the proportion equation
22,782,984.96 : 31,440,519.30 = 12,469,708.08 : x - Step 2: Convert to fraction form
22,782,984.96/31,440,519.30 = 12,469,708.08/x - Step 3: Cross multiply
22,782,984.96x = 31,440,519.30 × 12,469,708.08 - Step 4: Simplify right side
22,782,984.96x = 392,054,097,554,605.94 - Step 5: Solve for x
x = 392,054,097,554,605.94/22,782,984.96 - Step 6: Final answer
x = 17,208,197.18
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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.