Finding the Fourth Proportional to 37,448,510.01, 51,680,539.83 and 20,928,634.08
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Solution
The fourth proportional to 37,448,510.01, 51,680,539.83 and 20,928,634.08 is: 28,882,406.99
Step by Step Solution
- Step 1: Write the proportion equation
37,448,510.01 : 51,680,539.83 = 20,928,634.08 : x - Step 2: Convert to fraction form
37,448,510.01/51,680,539.83 = 20,928,634.08/x - Step 3: Cross multiply
37,448,510.01x = 51,680,539.83 × 20,928,634.08 - Step 4: Simplify right side
37,448,510.01x = 1,081,603,107,158,935.25 - Step 5: Solve for x
x = 1,081,603,107,158,935.25/37,448,510.01 - Step 6: Final answer
x = 28,882,406.99
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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.