Finding the Fourth Proportional to 48,616,993.84, 67,083,998.88 and 27,986,453.68
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Solution
The fourth proportional to 48,616,993.84, 67,083,998.88 and 27,986,453.68 is: 38,617,015.97
Step by Step Solution
- Step 1: Write the proportion equation
48,616,993.84 : 67,083,998.88 = 27,986,453.68 : x - Step 2: Convert to fraction form
48,616,993.84/67,083,998.88 = 27,986,453.68/x - Step 3: Cross multiply
48,616,993.84x = 67,083,998.88 × 27,986,453.68 - Step 4: Simplify right side
48,616,993.84x = 1,877,443,227,324,292 - Step 5: Solve for x
x = 1,877,443,227,324,292/48,616,993.84 - Step 6: Final answer
x = 38,617,015.97
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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.