Finding the Fourth Proportional to 14,201,489.80, 21,302,234.70 and 9,666,526.60
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Solution
The fourth proportional to 14,201,489.80, 21,302,234.70 and 9,666,526.60 is: 14,499,789.90
Step by Step Solution
- Step 1: Write the proportion equation
14,201,489.80 : 21,302,234.70 = 9,666,526.60 : x - Step 2: Convert to fraction form
14,201,489.80/21,302,234.70 = 9,666,526.60/x - Step 3: Cross multiply
14,201,489.80x = 21,302,234.70 × 9,666,526.60 - Step 4: Simplify right side
14,201,489.80x = 205,918,618,366,993 - Step 5: Solve for x
x = 205,918,618,366,993/14,201,489.80 - Step 6: Final answer
x = 14,499,789.90
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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.