Finding the Fourth Proportional to 7,848,711.07, 10,828,786.98 and 4,583,170.15
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Solution
The fourth proportional to 7,848,711.07, 10,828,786.98 and 4,583,170.15 is: 6,323,353.32
Step by Step Solution
- Step 1: Write the proportion equation
7,848,711.07 : 10,828,786.98 = 4,583,170.15 : x - Step 2: Convert to fraction form
7,848,711.07/10,828,786.98 = 4,583,170.15/x - Step 3: Cross multiply
7,848,711.07x = 10,828,786.98 × 4,583,170.15 - Step 4: Simplify right side
7,848,711.07x = 49,630,173,211,779.23 - Step 5: Solve for x
x = 49,630,173,211,779.23/7,848,711.07 - Step 6: Final answer
x = 6,323,353.32
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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.