Finding the Fourth Proportional to 22,361,044.30, 30,857,526.39 and 12,571,902.70
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Solution
The fourth proportional to 22,361,044.30, 30,857,526.39 and 12,571,902.70 is: 17,348,823.88
Step by Step Solution
- Step 1: Write the proportion equation
22,361,044.30 : 30,857,526.39 = 12,571,902.70 : x - Step 2: Convert to fraction form
22,361,044.30/30,857,526.39 = 12,571,902.70/x - Step 3: Cross multiply
22,361,044.30x = 30,857,526.39 × 12,571,902.70 - Step 4: Simplify right side
22,361,044.30x = 387,937,819,337,762.25 - Step 5: Solve for x
x = 387,937,819,337,762.25/22,361,044.30 - Step 6: Final answer
x = 17,348,823.88
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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.