Finding the Fourth Proportional to 10,930,883.60, 15,084,233.16 and 6,036,021.20
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Solution
The fourth proportional to 10,930,883.60, 15,084,233.16 and 6,036,021.20 is: 8,329,495.99
Step by Step Solution
- Step 1: Write the proportion equation
10,930,883.60 : 15,084,233.16 = 6,036,021.20 : x - Step 2: Convert to fraction form
10,930,883.60/15,084,233.16 = 6,036,021.20/x - Step 3: Cross multiply
10,930,883.60x = 15,084,233.16 × 6,036,021.20 - Step 4: Simplify right side
10,930,883.60x = 91,048,751,139,503 - Step 5: Solve for x
x = 91,048,751,139,503/10,930,883.60 - Step 6: Final answer
x = 8,329,495.99
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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.