Finding the Fourth Proportional to 11,427,673.54, 15,770,644.16 and 6,271,219.62
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Solution
The fourth proportional to 11,427,673.54, 15,770,644.16 and 6,271,219.62 is: 8,654,532.59
Step by Step Solution
- Step 1: Write the proportion equation
11,427,673.54 : 15,770,644.16 = 6,271,219.62 : x - Step 2: Convert to fraction form
11,427,673.54/15,770,644.16 = 6,271,219.62/x - Step 3: Cross multiply
11,427,673.54x = 15,770,644.16 × 6,271,219.62 - Step 4: Simplify right side
11,427,673.54x = 98,901,173,076,230.42 - Step 5: Solve for x
x = 98,901,173,076,230.42/11,427,673.54 - Step 6: Final answer
x = 8,654,532.59
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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.