Finding the Fourth Proportional to 18,443,823.02, 27,660,905.66 and 5,486,482.55
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Solution
The fourth proportional to 18,443,823.02, 27,660,905.66 and 5,486,482.55 is: 8,228,287.39
Step by Step Solution
- Step 1: Write the proportion equation
18,443,823.02 : 27,660,905.66 = 5,486,482.55 : x - Step 2: Convert to fraction form
18,443,823.02/27,660,905.66 = 5,486,482.55/x - Step 3: Cross multiply
18,443,823.02x = 27,660,905.66 × 5,486,482.55 - Step 4: Simplify right side
18,443,823.02x = 151,761,076,303,654.72 - Step 5: Solve for x
x = 151,761,076,303,654.72/18,443,823.02 - Step 6: Final answer
x = 8,228,287.39
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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.