Finding the Fourth Proportional to 9,180,601.97, 12,669,312.97 and 4,994,378.09
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Solution
The fourth proportional to 9,180,601.97, 12,669,312.97 and 4,994,378.09 is: 6,892,286.51
Step by Step Solution
- Step 1: Write the proportion equation
9,180,601.97 : 12,669,312.97 = 4,994,378.09 : x - Step 2: Convert to fraction form
9,180,601.97/12,669,312.97 = 4,994,378.09/x - Step 3: Cross multiply
9,180,601.97x = 12,669,312.97 × 4,994,378.09 - Step 4: Simplify right side
9,180,601.97x = 63,275,339,103,127.16 - Step 5: Solve for x
x = 63,275,339,103,127.16/9,180,601.97 - Step 6: Final answer
x = 6,892,286.51
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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.