Finding the Fourth Proportional to 13,202,301.20, 19,809,356.70 and 6,376,236.80
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Solution
The fourth proportional to 13,202,301.20, 19,809,356.70 and 6,376,236.80 is: 9,567,207.05
Step by Step Solution
- Step 1: Write the proportion equation
13,202,301.20 : 19,809,356.70 = 6,376,236.80 : x - Step 2: Convert to fraction form
13,202,301.20/19,809,356.70 = 6,376,236.80/x - Step 3: Cross multiply
13,202,301.20x = 19,809,356.70 × 6,376,236.80 - Step 4: Simplify right side
13,202,301.20x = 126,309,149,174,866.55 - Step 5: Solve for x
x = 126,309,149,174,866.55/13,202,301.20 - Step 6: Final answer
x = 9,567,207.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.