Finding the Fourth Proportional to 7,749,275.60, 11,626,527.18 and 3,430,729.44
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Solution
The fourth proportional to 7,749,275.60, 11,626,527.18 and 3,430,729.44 is: 5,147,251.32
Step by Step Solution
- Step 1: Write the proportion equation
7,749,275.60 : 11,626,527.18 = 3,430,729.44 : x - Step 2: Convert to fraction form
7,749,275.60/11,626,527.18 = 3,430,729.44/x - Step 3: Cross multiply
7,749,275.60x = 11,626,527.18 × 3,430,729.44 - Step 4: Simplify right side
7,749,275.60x = 39,887,469,081,386.18 - Step 5: Solve for x
x = 39,887,469,081,386.18/7,749,275.60 - Step 6: Final answer
x = 5,147,251.32
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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.