Finding the Fourth Proportional to 34,936,569.41, 48,211,391.43 and 21,891,021.53
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Solution
The fourth proportional to 34,936,569.41, 48,211,391.43 and 21,891,021.53 is: 30,208,936.52
Step by Step Solution
- Step 1: Write the proportion equation
34,936,569.41 : 48,211,391.43 = 21,891,021.53 : x - Step 2: Convert to fraction form
34,936,569.41/48,211,391.43 = 21,891,021.53/x - Step 3: Cross multiply
34,936,569.41x = 48,211,391.43 × 21,891,021.53 - Step 4: Simplify right side
34,936,569.41x = 1,055,396,607,544,330.50 - Step 5: Solve for x
x = 1,055,396,607,544,330.50/34,936,569.41 - Step 6: Final answer
x = 30,208,936.52
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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.