Finding the Fourth Proportional to 11,797,644.56, 16,272,057.36 and 8,897,157.68
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Solution
The fourth proportional to 11,797,644.56, 16,272,057.36 and 8,897,157.68 is: 12,271,522.45
Step by Step Solution
- Step 1: Write the proportion equation
11,797,644.56 : 16,272,057.36 = 8,897,157.68 : x - Step 2: Convert to fraction form
11,797,644.56/16,272,057.36 = 8,897,157.68/x - Step 3: Cross multiply
11,797,644.56x = 16,272,057.36 × 8,897,157.68 - Step 4: Simplify right side
11,797,644.56x = 144,775,060,109,924.50 - Step 5: Solve for x
x = 144,775,060,109,924.50/11,797,644.56 - Step 6: Final answer
x = 12,271,522.45
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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.