Finding the Fourth Proportional to 18,521,274.85, 27,782,962.04 and 5,743,596.13
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Solution
The fourth proportional to 18,521,274.85, 27,782,962.04 and 5,743,596.13 is: 8,615,719.74
Step by Step Solution
- Step 1: Write the proportion equation
18,521,274.85 : 27,782,962.04 = 5,743,596.13 : x - Step 2: Convert to fraction form
18,521,274.85/27,782,962.04 = 5,743,596.13/x - Step 3: Cross multiply
18,521,274.85x = 27,782,962.04 × 5,743,596.13 - Step 4: Simplify right side
18,521,274.85x = 159,574,113,252,880.91 - Step 5: Solve for x
x = 159,574,113,252,880.91/18,521,274.85 - Step 6: Final answer
x = 8,615,719.74
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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.