Finding the Fourth Proportional to 8,864,442.54, 12,230,847.12 and 5,379,704.13
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Solution
The fourth proportional to 8,864,442.54, 12,230,847.12 and 5,379,704.13 is: 7,422,727.20
Step by Step Solution
- Step 1: Write the proportion equation
8,864,442.54 : 12,230,847.12 = 5,379,704.13 : x - Step 2: Convert to fraction form
8,864,442.54/12,230,847.12 = 5,379,704.13/x - Step 3: Cross multiply
8,864,442.54x = 12,230,847.12 × 5,379,704.13 - Step 4: Simplify right side
8,864,442.54x = 65,798,338,764,862.60 - Step 5: Solve for x
x = 65,798,338,764,862.60/8,864,442.54 - Step 6: Final answer
x = 7,422,727.20
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1.5x scale
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.