Finding the Fourth Proportional to 11,070,287.20, 16,605,430.80 and 8,235,935.20
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Solution
The fourth proportional to 11,070,287.20, 16,605,430.80 and 8,235,935.20 is: 12,353,902.80
Step by Step Solution
- Step 1: Write the proportion equation
11,070,287.20 : 16,605,430.80 = 8,235,935.20 : x - Step 2: Convert to fraction form
11,070,287.20/16,605,430.80 = 8,235,935.20/x - Step 3: Cross multiply
11,070,287.20x = 16,605,430.80 × 8,235,935.20 - Step 4: Simplify right side
11,070,287.20x = 136,761,252,036,884.17 - Step 5: Solve for x
x = 136,761,252,036,884.17/11,070,287.20 - Step 6: Final answer
x = 12,353,902.80
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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.