Finding the Fourth Proportional to 11,090,883.20, 16,608,331.20 and 7,283,753.60
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Solution
The fourth proportional to 11,090,883.20, 16,608,331.20 and 7,283,753.60 is: 10,907,246.07
Step by Step Solution
- Step 1: Write the proportion equation
11,090,883.20 : 16,608,331.20 = 7,283,753.60 : x - Step 2: Convert to fraction form
11,090,883.20/16,608,331.20 = 7,283,753.60/x - Step 3: Cross multiply
11,090,883.20x = 16,608,331.20 × 7,283,753.60 - Step 4: Simplify right side
11,090,883.20x = 120,970,992,167,992.31 - Step 5: Solve for x
x = 120,970,992,167,992.31/11,090,883.20 - Step 6: Final answer
x = 10,907,246.07
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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.