Finding the Fourth Proportional to 11,028,189.60, 16,504,959.60 and 9,684,496.80
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Solution
The fourth proportional to 11,028,189.60, 16,504,959.60 and 9,684,496.80 is: 14,493,968.12
Step by Step Solution
- Step 1: Write the proportion equation
11,028,189.60 : 16,504,959.60 = 9,684,496.80 : x - Step 2: Convert to fraction form
11,028,189.60/16,504,959.60 = 9,684,496.80/x - Step 3: Cross multiply
11,028,189.60x = 16,504,959.60 × 9,684,496.80 - Step 4: Simplify right side
11,028,189.60x = 159,842,228,430,329.28 - Step 5: Solve for x
x = 159,842,228,430,329.28/11,028,189.60 - Step 6: Final answer
x = 14,493,968.12
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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.