Finding the Fourth Proportional to 18,521,271.60, 27,782,957.16 and 5,743,592.88
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Solution
The fourth proportional to 18,521,271.60, 27,782,957.16 and 5,743,592.88 is: 8,615,714.86
Step by Step Solution
- Step 1: Write the proportion equation
18,521,271.60 : 27,782,957.16 = 5,743,592.88 : x - Step 2: Convert to fraction form
18,521,271.60/27,782,957.16 = 5,743,592.88/x - Step 3: Cross multiply
18,521,271.60x = 27,782,957.16 × 5,743,592.88 - Step 4: Simplify right side
18,521,271.60x = 159,573,994,929,521.03 - Step 5: Solve for x
x = 159,573,994,929,521.03/18,521,271.60 - Step 6: Final answer
x = 8,615,714.86
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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.