Finding the Fourth Proportional to 7,201,926.87, 9,922,708.94 and 4,750,212.39
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Solution
The fourth proportional to 7,201,926.87, 9,922,708.94 and 4,750,212.39 is: 6,544,772.78
Step by Step Solution
- Step 1: Write the proportion equation
7,201,926.87 : 9,922,708.94 = 4,750,212.39 : x - Step 2: Convert to fraction form
7,201,926.87/9,922,708.94 = 4,750,212.39/x - Step 3: Cross multiply
7,201,926.87x = 9,922,708.94 × 4,750,212.39 - Step 4: Simplify right side
7,201,926.87x = 47,134,974,949,151.76 - Step 5: Solve for x
x = 47,134,974,949,151.76/7,201,926.87 - Step 6: Final answer
x = 6,544,772.78
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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.