Finding the Fourth Proportional to 8,526,993.92, 11,767,282.16 and 4,659,515.04
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Solution
The fourth proportional to 8,526,993.92, 11,767,282.16 and 4,659,515.04 is: 6,430,147.45
Step by Step Solution
- Step 1: Write the proportion equation
8,526,993.92 : 11,767,282.16 = 4,659,515.04 : x - Step 2: Convert to fraction form
8,526,993.92/11,767,282.16 = 4,659,515.04/x - Step 3: Cross multiply
8,526,993.92x = 11,767,282.16 × 4,659,515.04 - Step 4: Simplify right side
8,526,993.92x = 54,829,828,204,443.69 - Step 5: Solve for x
x = 54,829,828,204,443.69/8,526,993.92 - Step 6: Final answer
x = 6,430,147.45
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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.