Finding the Fourth Proportional to 7,913,046.13, 11,869,347.76 and 2,522,020.05
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Solution
The fourth proportional to 7,913,046.13, 11,869,347.76 and 2,522,020.05 is: 3,782,959.50
Step by Step Solution
- Step 1: Write the proportion equation
7,913,046.13 : 11,869,347.76 = 2,522,020.05 : x - Step 2: Convert to fraction form
7,913,046.13/11,869,347.76 = 2,522,020.05/x - Step 3: Cross multiply
7,913,046.13x = 11,869,347.76 × 2,522,020.05 - Step 4: Simplify right side
7,913,046.13x = 29,934,733,024,837.54 - Step 5: Solve for x
x = 29,934,733,024,837.54/7,913,046.13 - Step 6: Final answer
x = 3,782,959.50
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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.