Finding the Fourth Proportional to 34,660,236.33, 47,832,620.81 and 19,190,320.98
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Solution
The fourth proportional to 34,660,236.33, 47,832,620.81 and 19,190,320.98 is: 26,483,470.51
Step by Step Solution
- Step 1: Write the proportion equation
34,660,236.33 : 47,832,620.81 = 19,190,320.98 : x - Step 2: Convert to fraction form
34,660,236.33/47,832,620.81 = 19,190,320.98/x - Step 3: Cross multiply
34,660,236.33x = 47,832,620.81 × 19,190,320.98 - Step 4: Simplify right side
34,660,236.33x = 917,923,346,562,576 - Step 5: Solve for x
x = 917,923,346,562,576/34,660,236.33 - Step 6: Final answer
x = 26,483,470.51
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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.