Finding the Fourth Proportional to 11,153,091.60, 16,729,291.80 and 3,174,915.60
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Solution
The fourth proportional to 11,153,091.60, 16,729,291.80 and 3,174,915.60 is: 4,762,275.02
Step by Step Solution
- Step 1: Write the proportion equation
11,153,091.60 : 16,729,291.80 = 3,174,915.60 : x - Step 2: Convert to fraction form
11,153,091.60/16,729,291.80 = 3,174,915.60/x - Step 3: Cross multiply
11,153,091.60x = 16,729,291.80 × 3,174,915.60 - Step 4: Simplify right side
11,153,091.60x = 53,114,089,512,772.09 - Step 5: Solve for x
x = 53,114,089,512,772.09/11,153,091.60 - Step 6: Final answer
x = 4,762,275.02
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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.