Finding the Fourth Proportional to 39,302,891.84, 54,238,205.75 and 22,792,805.21
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Solution
The fourth proportional to 39,302,891.84, 54,238,205.75 and 22,792,805.21 is: 31,454,195.88
Step by Step Solution
- Step 1: Write the proportion equation
39,302,891.84 : 54,238,205.75 = 22,792,805.21 : x - Step 2: Convert to fraction form
39,302,891.84/54,238,205.75 = 22,792,805.21/x - Step 3: Cross multiply
39,302,891.84x = 54,238,205.75 × 22,792,805.21 - Step 4: Simplify right side
39,302,891.84x = 1,236,240,858,599,652 - Step 5: Solve for x
x = 1,236,240,858,599,652/39,302,891.84 - Step 6: Final answer
x = 31,454,195.88
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1.5x scale
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.