Finding the Fourth Proportional to 34,958,569.93, 48,243,032.67 and 20,282,974.54
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Solution
The fourth proportional to 34,958,569.93, 48,243,032.67 and 20,282,974.54 is: 27,990,624.48
Step by Step Solution
- Step 1: Write the proportion equation
34,958,569.93 : 48,243,032.67 = 20,282,974.54 : x - Step 2: Convert to fraction form
34,958,569.93/48,243,032.67 = 20,282,974.54/x - Step 3: Cross multiply
34,958,569.93x = 48,243,032.67 × 20,282,974.54 - Step 4: Simplify right side
34,958,569.93x = 978,512,203,377,998.25 - Step 5: Solve for x
x = 978,512,203,377,998.25/34,958,569.93 - Step 6: Final answer
x = 27,990,624.48
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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.