Finding the Fourth Proportional to 35,246,216.97, 48,639,919.38 and 19,775,291.49
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Solution
The fourth proportional to 35,246,216.97, 48,639,919.38 and 19,775,291.49 is: 27,289,980.78
Step by Step Solution
- Step 1: Write the proportion equation
35,246,216.97 : 48,639,919.38 = 19,775,291.49 : x - Step 2: Convert to fraction form
35,246,216.97/48,639,919.38 = 19,775,291.49/x - Step 3: Cross multiply
35,246,216.97x = 48,639,919.38 × 19,775,291.49 - Step 4: Simplify right side
35,246,216.97x = 961,868,583,789,600 - Step 5: Solve for x
x = 961,868,583,789,600/35,246,216.97 - Step 6: Final answer
x = 27,289,980.78
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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.