Finding the Fourth Proportional to 12,084,430.94, 16,677,932.62 and 6,786,994.49
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Solution
The fourth proportional to 12,084,430.94, 16,677,932.62 and 6,786,994.49 is: 9,366,848.75
Step by Step Solution
- Step 1: Write the proportion equation
12,084,430.94 : 16,677,932.62 = 6,786,994.49 : x - Step 2: Convert to fraction form
12,084,430.94/16,677,932.62 = 6,786,994.49/x - Step 3: Cross multiply
12,084,430.94x = 16,677,932.62 × 6,786,994.49 - Step 4: Simplify right side
12,084,430.94x = 113,193,036,796,531.27 - Step 5: Solve for x
x = 113,193,036,796,531.27/12,084,430.94 - Step 6: Final answer
x = 9,366,848.75
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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.