Finding the Fourth Proportional to 33,478,166.84, 46,197,319.56 and 18,790,995.53
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Solution
The fourth proportional to 33,478,166.84, 46,197,319.56 and 18,790,995.53 is: 25,930,142.15
Step by Step Solution
- Step 1: Write the proportion equation
33,478,166.84 : 46,197,319.56 = 18,790,995.53 : x - Step 2: Convert to fraction form
33,478,166.84/46,197,319.56 = 18,790,995.53/x - Step 3: Cross multiply
33,478,166.84x = 46,197,319.56 × 18,790,995.53 - Step 4: Simplify right side
33,478,166.84x = 868,093,625,118,955 - Step 5: Solve for x
x = 868,093,625,118,955/33,478,166.84 - Step 6: Final answer
x = 25,930,142.15
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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.