Finding the Fourth Proportional to 6,743,509.11, 9,306,763.76 and 4,131,746.48
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Solution
The fourth proportional to 6,743,509.11, 9,306,763.76 and 4,131,746.48 is: 5,702,252.02
Step by Step Solution
- Step 1: Write the proportion equation
6,743,509.11 : 9,306,763.76 = 4,131,746.48 : x - Step 2: Convert to fraction form
6,743,509.11/9,306,763.76 = 4,131,746.48/x - Step 3: Cross multiply
6,743,509.11x = 9,306,763.76 × 4,131,746.48 - Step 4: Simplify right side
6,743,509.11x = 38,453,188,439,167.84 - Step 5: Solve for x
x = 38,453,188,439,167.84/6,743,509.11 - Step 6: Final answer
x = 5,702,252.02
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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.